remove merge conflicts fail

2 files changed, 0 insertions, 1031 deletions

diff --git a/files/js/jquery.fileupload.js b/files/js/jquery.fileupload.js
deleted file mode 100644
index a89e9dc2c44..00000000000
--- a/files/js/jquery.fileupload.js
+++ /dev/null
@@ -1,866 +0,0 @@
-/*
- * jQuery File Upload Plugin 5.9
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2010, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * http://www.opensource.org/licenses/MIT
- */
-
-/*jslint nomen: true, unparam: true, regexp: true */
-/*global define, window, document, Blob, FormData, location */
-
-(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define([
-            'jquery',
-            'jquery.ui.widget'
-        ], factory);
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    // The FileReader API is not actually used, but works as feature detection,
-    // as e.g. Safari supports XHR file uploads via the FormData API,
-    // but not non-multipart XHR file uploads:
-    $.support.xhrFileUpload = !!(window.XMLHttpRequestUpload && window.FileReader);
-    $.support.xhrFormDataFileUpload = !!window.FormData;
-
-    // The fileupload widget listens for change events on file input fields defined
-    // via fileInput setting and paste or drop events of the given dropZone.
-    // In addition to the default jQuery Widget methods, the fileupload widget
-    // exposes the "add" and "send" methods, to add or directly send files using
-    // the fileupload API.
-    // By default, files added via file input selection, paste, drag & drop or
-    // "add" method are uploaded immediately, but it is possible to override
-    // the "add" callback option to queue file uploads.
-    $.widget('blueimp.fileupload', {
-
-        options: {
-            // The namespace used for event handler binding on the dropZone and
-            // fileInput collections.
-            // If not set, the name of the widget ("fileupload") is used.
-            namespace: undefined,
-            // The drop target collection, by the default the complete document.
-            // Set to null or an empty collection to disable drag & drop support:
-            dropZone: $(document),
-            // The file input field collection, that is listened for change events.
-            // If undefined, it is set to the file input fields inside
-            // of the widget element on plugin initialization.
-            // Set to null or an empty collection to disable the change listener.
-            fileInput: undefined,
-            // By default, the file input field is replaced with a clone after
-            // each input field change event. This is required for iframe transport
-            // queues and allows change events to be fired for the same file
-            // selection, but can be disabled by setting the following option to false:
-            replaceFileInput: true,
-            // The parameter name for the file form data (the request argument name).
-            // If undefined or empty, the name property of the file input field is
-            // used, or "files[]" if the file input name property is also empty:
-            paramName: undefined,
-            // By default, each file of a selection is uploaded using an individual
-            // request for XHR type uploads. Set to false to upload file
-            // selections in one request each:
-            singleFileUploads: true,
-            // To limit the number of files uploaded with one XHR request,
-            // set the following option to an integer greater than 0:
-            limitMultiFileUploads: undefined,
-            // Set the following option to true to issue all file upload requests
-            // in a sequential order:
-            sequentialUploads: false,
-            // To limit the number of concurrent uploads,
-            // set the following option to an integer greater than 0:
-            limitConcurrentUploads: undefined,
-            // Set the following option to true to force iframe transport uploads:
-            forceIframeTransport: false,
-            // Set the following option to the location of a redirect url on the
-            // origin server, for cross-domain iframe transport uploads:
-            redirect: undefined,
-            // The parameter name for the redirect url, sent as part of the form
-            // data and set to 'redirect' if this option is empty:
-            redirectParamName: undefined,
-            // Set the following option to the location of a postMessage window,
-            // to enable postMessage transport uploads:
-            postMessage: undefined,
-            // By default, XHR file uploads are sent as multipart/form-data.
-            // The iframe transport is always using multipart/form-data.
-            // Set to false to enable non-multipart XHR uploads:
-            multipart: true,
-            // To upload large files in smaller chunks, set the following option
-            // to a preferred maximum chunk size. If set to 0, null or undefined,
-            // or the browser does not support the required Blob API, files will
-            // be uploaded as a whole.
-            maxChunkSize: undefined,
-            // When a non-multipart upload or a chunked multipart upload has been
-            // aborted, this option can be used to resume the upload by setting
-            // it to the size of the already uploaded bytes. This option is most
-            // useful when modifying the options object inside of the "add" or
-            // "send" callbacks, as the options are cloned for each file upload.
-            uploadedBytes: undefined,
-            // By default, failed (abort or error) file uploads are removed from the
-            // global progress calculation. Set the following option to false to
-            // prevent recalculating the global progress data:
-            recalculateProgress: true,
-
-            // Additional form data to be sent along with the file uploads can be set
-            // using this option, which accepts an array of objects with name and
-            // value properties, a function returning such an array, a FormData
-            // object (for XHR file uploads), or a simple object.
-            // The form of the first fileInput is given as parameter to the function:
-            formData: function (form) {
-                return form.serializeArray();
-            },
-
-            // The add callback is invoked as soon as files are added to the fileupload
-            // widget (via file input selection, drag & drop, paste or add API call).
-            // If the singleFileUploads option is enabled, this callback will be
-            // called once for each file in the selection for XHR file uplaods, else
-            // once for each file selection.
-            // The upload starts when the submit method is invoked on the data parameter.
-            // The data object contains a files property holding the added files
-            // and allows to override plugin options as well as define ajax settings.
-            // Listeners for this callback can also be bound the following way:
-            // .bind('fileuploadadd', func);
-            // data.submit() returns a Promise object and allows to attach additional
-            // handlers using jQuery's Deferred callbacks:
-            // data.submit().done(func).fail(func).always(func);
-            add: function (e, data) {
-                data.submit();
-            },
-
-            // Other callbacks:
-            // Callback for the submit event of each file upload:
-            // submit: function (e, data) {}, // .bind('fileuploadsubmit', func);
-            // Callback for the start of each file upload request:
-            // send: function (e, data) {}, // .bind('fileuploadsend', func);
-            // Callback for successful uploads:
-            // done: function (e, data) {}, // .bind('fileuploaddone', func);
-            // Callback for failed (abort or error) uploads:
-            // fail: function (e, data) {}, // .bind('fileuploadfail', func);
-            // Callback for completed (success, abort or error) requests:
-            // always: function (e, data) {}, // .bind('fileuploadalways', func);
-            // Callback for upload progress events:
-            // progress: function (e, data) {}, // .bind('fileuploadprogress', func);
-            // Callback for global upload progress events:
-            // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func);
-            // Callback for uploads start, equivalent to the global ajaxStart event:
-            // start: function (e) {}, // .bind('fileuploadstart', func);
-            // Callback for uploads stop, equivalent to the global ajaxStop event:
-            // stop: function (e) {}, // .bind('fileuploadstop', func);
-            // Callback for change events of the fileInput collection:
-            // change: function (e, data) {}, // .bind('fileuploadchange', func);
-            // Callback for paste events to the dropZone collection:
-            // paste: function (e, data) {}, // .bind('fileuploadpaste', func);
-            // Callback for drop events of the dropZone collection:
-            // drop: function (e, data) {}, // .bind('fileuploaddrop', func);
-            // Callback for dragover events of the dropZone collection:
-            // dragover: function (e) {}, // .bind('fileuploaddragover', func);
-
-            // The plugin options are used as settings object for the ajax calls.
-            // The following are jQuery ajax settings required for the file uploads:
-            processData: false,
-            contentType: false,
-            cache: false
-        },
-
-        // A list of options that require a refresh after assigning a new value:
-        _refreshOptionsList: [
-            'namespace',
-            'dropZone',
-            'fileInput',
-            'multipart',
-            'forceIframeTransport'
-        ],
-
-        _isXHRUpload: function (options) {
-            return !options.forceIframeTransport &&
-                ((!options.multipart && $.support.xhrFileUpload) ||
-                $.support.xhrFormDataFileUpload);
-        },
-
-        _getFormData: function (options) {
-            var formData;
-            if (typeof options.formData === 'function') {
-                return options.formData(options.form);
-            } else if ($.isArray(options.formData)) {
-                return options.formData;
-            } else if (options.formData) {
-                formData = [];
-                $.each(options.formData, function (name, value) {
-                    formData.push({name: name, value: value});
-                });
-                return formData;
-            }
-            return [];
-        },
-
-        _getTotal: function (files) {
-            var total = 0;
-            $.each(files, function (index, file) {
-                total += file.size || 1;
-            });
-            return total;
-        },
-
-        _onProgress: function (e, data) {
-            if (e.lengthComputable) {
-                var total = data.total || this._getTotal(data.files),
-                    loaded = parseInt(
-                        e.loaded / e.total * (data.chunkSize || total),
-                        10
-                    ) + (data.uploadedBytes || 0);
-                this._loaded += loaded - (data.loaded || data.uploadedBytes || 0);
-                data.lengthComputable = true;
-                data.loaded = loaded;
-                data.total = total;
-                // Trigger a custom progress event with a total data property set
-                // to the file size(s) of the current upload and a loaded data
-                // property calculated accordingly:
-                this._trigger('progress', e, data);
-                // Trigger a global progress event for all current file uploads,
-                // including ajax calls queued for sequential file uploads:
-                this._trigger('progressall', e, {
-                    lengthComputable: true,
-                    loaded: this._loaded,
-                    total: this._total
-                });
-            }
-        },
-
-        _initProgressListener: function (options) {
-            var that = this,
-                xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
-            // Accesss to the native XHR object is required to add event listeners
-            // for the upload progress event:
-            if (xhr.upload) {
-                $(xhr.upload).bind('progress', function (e) {
-                    var oe = e.originalEvent;
-                    // Make sure the progress event properties get copied over:
-                    e.lengthComputable = oe.lengthComputable;
-                    e.loaded = oe.loaded;
-                    e.total = oe.total;
-                    that._onProgress(e, options);
-                });
-                options.xhr = function () {
-                    return xhr;
-                };
-            }
-        },
-
-        _initXHRData: function (options) {
-            var formData,
-                file = options.files[0],
-                // Ignore non-multipart setting if not supported:
-                multipart = options.multipart || !$.support.xhrFileUpload;
-            if (!multipart || options.blob) {
-                // For non-multipart uploads and chunked uploads,
-                // file meta data is not part of the request body,
-                // so we transmit this data as part of the HTTP headers.
-                // For cross domain requests, these headers must be allowed
-                // via Access-Control-Allow-Headers or removed using
-                // the beforeSend callback:
-                options.headers = $.extend(options.headers, {
-                    'X-File-Name': file.name,
-                    'X-File-Type': file.type,
-                    'X-File-Size': file.size
-                });
-                if (!options.blob) {
-                    // Non-chunked non-multipart upload:
-                    options.contentType = file.type;
-                    options.data = file;
-                } else if (!multipart) {
-                    // Chunked non-multipart upload:
-                    options.contentType = 'application/octet-stream';
-                    options.data = options.blob;
-                }
-            }
-            if (multipart && $.support.xhrFormDataFileUpload) {
-                if (options.postMessage) {
-                    // window.postMessage does not allow sending FormData
-                    // objects, so we just add the File/Blob objects to
-                    // the formData array and let the postMessage window
-                    // create the FormData object out of this array:
-                    formData = this._getFormData(options);
-                    if (options.blob) {
-                        formData.push({
-                            name: options.paramName,
-                            value: options.blob
-                        });
-                    } else {
-                        $.each(options.files, function (index, file) {
-                            formData.push({
-                                name: options.paramName,
-                                value: file
-                            });
-                        });
-                    }
-                } else {
-                    if (options.formData instanceof FormData) {
-                        formData = options.formData;
-                    } else {
-                        formData = new FormData();
-                        $.each(this._getFormData(options), function (index, field) {
-                            formData.append(field.name, field.value);
-                        });
-                    }
-                    if (options.blob) {
-                        formData.append(options.paramName, options.blob, file.name);
-                    } else {
-                        $.each(options.files, function (index, file) {
-                            // File objects are also Blob instances.
-                            // This check allows the tests to run with
-                            // dummy objects:
-                            if (file instanceof Blob) {
-                                formData.append(options.paramName, file, file.name);
-                            }
-                        });
-                    }
-                }
-                options.data = formData;
-            }
-            // Blob reference is not needed anymore, free memory:
-            options.blob = null;
-        },
-
-        _initIframeSettings: function (options) {
-            // Setting the dataType to iframe enables the iframe transport:
-            options.dataType = 'iframe ' + (options.dataType || '');
-            // The iframe transport accepts a serialized array as form data:
-            options.formData = this._getFormData(options);
-            // Add redirect url to form data on cross-domain uploads:
-            if (options.redirect && $('<a></a>').prop('href', options.url)
-                    .prop('host') !== location.host) {
-                options.formData.push({
-                    name: options.redirectParamName || 'redirect',
-                    value: options.redirect
-                });
-            }
-        },
-
-        _initDataSettings: function (options) {
-            if (this._isXHRUpload(options)) {
-                if (!this._chunkedUpload(options, true)) {
-                    if (!options.data) {
-                        this._initXHRData(options);
-                    }
-                    this._initProgressListener(options);
-                }
-                if (options.postMessage) {
-                    // Setting the dataType to postmessage enables the
-                    // postMessage transport:
-                    options.dataType = 'postmessage ' + (options.dataType || '');
-                }
-            } else {
-                this._initIframeSettings(options, 'iframe');
-            }
-        },
-
-        _initFormSettings: function (options) {
-            // Retrieve missing options from the input field and the
-            // associated form, if available:
-            if (!options.form || !options.form.length) {
-                options.form = $(options.fileInput.prop('form'));
-            }
-            if (!options.paramName) {
-                options.paramName = options.fileInput.prop('name') ||
-                    'files[]';
-            }
-            if (!options.url) {
-                options.url = options.form.prop('action') || location.href;
-            }
-            // The HTTP request method must be "POST" or "PUT":
-            options.type = (options.type || options.form.prop('method') || '')
-                .toUpperCase();
-            if (options.type !== 'POST' && options.type !== 'PUT') {
-                options.type = 'POST';
-            }
-        },
-
-        _getAJAXSettings: function (data) {
-            var options = $.extend({}, this.options, data);
-            this._initFormSettings(options);
-            this._initDataSettings(options);
-            return options;
-        },
-
-        // Maps jqXHR callbacks to the equivalent
-        // methods of the given Promise object:
-        _enhancePromise: function (promise) {
-            promise.success = promise.done;
-            promise.error = promise.fail;
-            promise.complete = promise.always;
-            return promise;
-        },
-
-        // Creates and returns a Promise object enhanced with
-        // the jqXHR methods abort, success, error and complete:
-        _getXHRPromise: function (resolveOrReject, context, args) {
-            var dfd = $.Deferred(),
-                promise = dfd.promise();
-            context = context || this.options.context || promise;
-            if (resolveOrReject === true) {
-                dfd.resolveWith(context, args);
-            } else if (resolveOrReject === false) {
-                dfd.rejectWith(context, args);
-            }
-            promise.abort = dfd.promise;
-            return this._enhancePromise(promise);
-        },
-
-        // Uploads a file in multiple, sequential requests
-        // by splitting the file up in multiple blob chunks.
-        // If the second parameter is true, only tests if the file
-        // should be uploaded in chunks, but does not invoke any
-        // upload requests:
-        _chunkedUpload: function (options, testOnly) {
-            var that = this,
-                file = options.files[0],
-                fs = file.size,
-                ub = options.uploadedBytes = options.uploadedBytes || 0,
-                mcs = options.maxChunkSize || fs,
-                // Use the Blob methods with the slice implementation
-                // according to the W3C Blob API specification:
-                slice = file.webkitSlice || file.mozSlice || file.slice,
-                upload,
-                n,
-                jqXHR,
-                pipe;
-            if (!(this._isXHRUpload(options) && slice && (ub || mcs < fs)) ||
-                    options.data) {
-                return false;
-            }
-            if (testOnly) {
-                return true;
-            }
-            if (ub >= fs) {
-                file.error = 'uploadedBytes';
-                return this._getXHRPromise(
-                    false,
-                    options.context,
-                    [null, 'error', file.error]
-                );
-            }
-            // n is the number of blobs to upload,
-            // calculated via filesize, uploaded bytes and max chunk size:
-            n = Math.ceil((fs - ub) / mcs);
-            // The chunk upload method accepting the chunk number as parameter:
-            upload = function (i) {
-                if (!i) {
-                    return that._getXHRPromise(true, options.context);
-                }
-                // Upload the blobs in sequential order:
-                return upload(i -= 1).pipe(function () {
-                    // Clone the options object for each chunk upload:
-                    var o = $.extend({}, options);
-                    o.blob = slice.call(
-                        file,
-                        ub + i * mcs,
-                        ub + (i + 1) * mcs
-                    );
-                    // Store the current chunk size, as the blob itself
-                    // will be dereferenced after data processing:
-                    o.chunkSize = o.blob.size;
-                    // Process the upload data (the blob and potential form data):
-                    that._initXHRData(o);
-                    // Add progress listeners for this chunk upload:
-                    that._initProgressListener(o);
-                    jqXHR = ($.ajax(o) || that._getXHRPromise(false, o.context))
-                        .done(function () {
-                            // Create a progress event if upload is done and
-                            // no progress event has been invoked for this chunk:
-                            if (!o.loaded) {
-                                that._onProgress($.Event('progress', {
-                                    lengthComputable: true,
-                                    loaded: o.chunkSize,
-                                    total: o.chunkSize
-                                }), o);
-                            }
-                            options.uploadedBytes = o.uploadedBytes +=
-                                o.chunkSize;
-                        });
-                    return jqXHR;
-                });
-            };
-            // Return the piped Promise object, enhanced with an abort method,
-            // which is delegated to the jqXHR object of the current upload,
-            // and jqXHR callbacks mapped to the equivalent Promise methods:
-            pipe = upload(n);
-            pipe.abort = function () {
-                return jqXHR.abort();
-            };
-            return this._enhancePromise(pipe);
-        },
-
-        _beforeSend: function (e, data) {
-            if (this._active === 0) {
-                // the start callback is triggered when an upload starts
-                // and no other uploads are currently running,
-                // equivalent to the global ajaxStart event:
-                this._trigger('start');
-            }
-            this._active += 1;
-            // Initialize the global progress values:
-            this._loaded += data.uploadedBytes || 0;
-            this._total += this._getTotal(data.files);
-        },
-
-        _onDone: function (result, textStatus, jqXHR, options) {
-            if (!this._isXHRUpload(options)) {
-                // Create a progress event for each iframe load:
-                this._onProgress($.Event('progress', {
-                    lengthComputable: true,
-                    loaded: 1,
-                    total: 1
-                }), options);
-            }
-            options.result = result;
-            options.textStatus = textStatus;
-            options.jqXHR = jqXHR;
-            this._trigger('done', null, options);
-        },
-
-        _onFail: function (jqXHR, textStatus, errorThrown, options) {
-            options.jqXHR = jqXHR;
-            options.textStatus = textStatus;
-            options.errorThrown = errorThrown;
-            this._trigger('fail', null, options);
-            if (options.recalculateProgress) {
-                // Remove the failed (error or abort) file upload from
-                // the global progress calculation:
-                this._loaded -= options.loaded || options.uploadedBytes || 0;
-                this._total -= options.total || this._getTotal(options.files);
-            }
-        },
-
-        _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) {
-            this._active -= 1;
-            options.textStatus = textStatus;
-            if (jqXHRorError && jqXHRorError.always) {
-                options.jqXHR = jqXHRorError;
-                options.result = jqXHRorResult;
-            } else {
-                options.jqXHR = jqXHRorResult;
-                options.errorThrown = jqXHRorError;
-            }
-            this._trigger('always', null, options);
-            if (this._active === 0) {
-                // The stop callback is triggered when all uploads have
-                // been completed, equivalent to the global ajaxStop event:
-                this._trigger('stop');
-                // Reset the global progress values:
-                this._loaded = this._total = 0;
-            }
-        },
-
-        _onSend: function (e, data) {
-            var that = this,
-                jqXHR,
-                slot,
-                pipe,
-                options = that._getAJAXSettings(data),
-                send = function (resolve, args) {
-                    that._sending += 1;
-                    jqXHR = jqXHR || (
-                        (resolve !== false &&
-                        that._trigger('send', e, options) !== false &&
-                        (that._chunkedUpload(options) || $.ajax(options))) ||
-                        that._getXHRPromise(false, options.context, args)
-                    ).done(function (result, textStatus, jqXHR) {
-                        that._onDone(result, textStatus, jqXHR, options);
-                    }).fail(function (jqXHR, textStatus, errorThrown) {
-                        that._onFail(jqXHR, textStatus, errorThrown, options);
-                    }).always(function (jqXHRorResult, textStatus, jqXHRorError) {
-                        that._sending -= 1;
-                        that._onAlways(
-                            jqXHRorResult,
-                            textStatus,
-                            jqXHRorError,
-                            options
-                        );
-                        if (options.limitConcurrentUploads &&
-                                options.limitConcurrentUploads > that._sending) {
-                            // Start the next queued upload,
-                            // that has not been aborted:
-                            var nextSlot = that._slots.shift();
-                            while (nextSlot) {
-                                if (!nextSlot.isRejected()) {
-                                    nextSlot.resolve();
-                                    break;
-                                }
-                                nextSlot = that._slots.shift();
-                            }
-                        }
-                    });
-                    return jqXHR;
-                };
-            this._beforeSend(e, options);
-            if (this.options.sequentialUploads ||
-                    (this.options.limitConcurrentUploads &&
-                    this.options.limitConcurrentUploads <= this._sending)) {
-                if (this.options.limitConcurrentUploads > 1) {
-                    slot = $.Deferred();
-                    this._slots.push(slot);
-                    pipe = slot.pipe(send);
-                } else {
-                    pipe = (this._sequence = this._sequence.pipe(send, send));
-                }
-                // Return the piped Promise object, enhanced with an abort method,
-                // which is delegated to the jqXHR object of the current upload,
-                // and jqXHR callbacks mapped to the equivalent Promise methods:
-                pipe.abort = function () {
-                    var args = [undefined, 'abort', 'abort'];
-                    if (!jqXHR) {
-                        if (slot) {
-                            slot.rejectWith(args);
-                        }
-                        return send(false, args);
-                    }
-                    return jqXHR.abort();
-                };
-                return this._enhancePromise(pipe);
-            }
-            return send();
-        },
-
-        _onAdd: function (e, data) {
-            var that = this,
-                result = true,
-                options = $.extend({}, this.options, data),
-                limit = options.limitMultiFileUploads,
-                fileSet,
-                i;
-            if (!(options.singleFileUploads || limit) ||
-                    !this._isXHRUpload(options)) {
-                fileSet = [data.files];
-            } else if (!options.singleFileUploads && limit) {
-                fileSet = [];
-                for (i = 0; i < data.files.length; i += limit) {
-                    fileSet.push(data.files.slice(i, i + limit));
-                }
-            }
-            data.originalFiles = data.files;
-            $.each(fileSet || data.files, function (index, element) {
-                var files = fileSet ? element : [element],
-                    newData = $.extend({}, data, {files: files});
-                newData.submit = function () {
-                    newData.jqXHR = this.jqXHR =
-                        (that._trigger('submit', e, this) !== false) &&
-                        that._onSend(e, this);
-                    return this.jqXHR;
-                };
-                return (result = that._trigger('add', e, newData));
-            });
-            return result;
-        },
-
-        // File Normalization for Gecko 1.9.1 (Firefox 3.5) support:
-        _normalizeFile: function (index, file) {
-            if (file.name === undefined && file.size === undefined) {
-                file.name = file.fileName;
-                file.size = file.fileSize;
-            }
-        },
-
-        _replaceFileInput: function (input) {
-            var inputClone = input.clone(true);
-            $('<form></form>').append(inputClone)[0].reset();
-            // Detaching allows to insert the fileInput on another form
-            // without loosing the file input value:
-            input.after(inputClone).detach();
-            // Avoid memory leaks with the detached file input:
-            $.cleanData(input.unbind('remove'));
-            // Replace the original file input element in the fileInput
-            // collection with the clone, which has been copied including
-            // event handlers:
-            this.options.fileInput = this.options.fileInput.map(function (i, el) {
-                if (el === input[0]) {
-                    return inputClone[0];
-                }
-                return el;
-            });
-            // If the widget has been initialized on the file input itself,
-            // override this.element with the file input clone:
-            if (input[0] === this.element[0]) {
-                this.element = inputClone;
-            }
-        },
-
-        _onChange: function (e) {
-            var that = e.data.fileupload,
-                data = {
-                    files: $.each($.makeArray(e.target.files), that._normalizeFile),
-                    fileInput: $(e.target),
-                    form: $(e.target.form)
-                };
-            if (!data.files.length) {
-                // If the files property is not available, the browser does not
-                // support the File API and we add a pseudo File object with
-                // the input value as name with path information removed:
-                data.files = [{name: e.target.value.replace(/^.*\\/, '')}];
-            }
-            if (that.options.replaceFileInput) {
-                that._replaceFileInput(data.fileInput);
-            }
-            if (that._trigger('change', e, data) === false ||
-                    that._onAdd(e, data) === false) {
-                return false;
-            }
-        },
-
-        _onPaste: function (e) {
-            var that = e.data.fileupload,
-                cbd = e.originalEvent.clipboardData,
-                items = (cbd && cbd.items) || [],
-                data = {files: []};
-            $.each(items, function (index, item) {
-                var file = item.getAsFile && item.getAsFile();
-                if (file) {
-                    data.files.push(file);
-                }
-            });
-            if (that._trigger('paste', e, data) === false ||
-                    that._onAdd(e, data) === false) {
-                return false;
-            }
-        },
-
-        _onDrop: function (e) {
-            var that = e.data.fileupload,
-                dataTransfer = e.dataTransfer = e.originalEvent.dataTransfer,
-                data = {
-                    files: $.each(
-                        $.makeArray(dataTransfer && dataTransfer.files),
-                        that._normalizeFile
-                    )
-                };
-            if (that._trigger('drop', e, data) === false ||
-                    that._onAdd(e, data) === false) {
-                return false;
-            }
-            e.preventDefault();
-        },
-
-        _onDragOver: function (e) {
-            var that = e.data.fileupload,
-                dataTransfer = e.dataTransfer = e.originalEvent.dataTransfer;
-            if (that._trigger('dragover', e) === false) {
-                return false;
-            }
-            if (dataTransfer) {
-                dataTransfer.dropEffect = dataTransfer.effectAllowed = 'copy';
-            }
-            e.preventDefault();
-        },
-
-        _initEventHandlers: function () {
-            var ns = this.options.namespace;
-            if (this._isXHRUpload(this.options)) {
-                this.options.dropZone
-                    .bind('dragover.' + ns, {fileupload: this}, this._onDragOver)
-                    .bind('drop.' + ns, {fileupload: this}, this._onDrop)
-                    .bind('paste.' + ns, {fileupload: this}, this._onPaste);
-            }
-            this.options.fileInput
-                .bind('change.' + ns, {fileupload: this}, this._onChange);
-        },
-
-        _destroyEventHandlers: function () {
-            var ns = this.options.namespace;
-            this.options.dropZone
-                .unbind('dragover.' + ns, this._onDragOver)
-                .unbind('drop.' + ns, this._onDrop)
-                .unbind('paste.' + ns, this._onPaste);
-            this.options.fileInput
-                .unbind('change.' + ns, this._onChange);
-        },
-
-        _setOption: function (key, value) {
-            var refresh = $.inArray(key, this._refreshOptionsList) !== -1;
-            if (refresh) {
-                this._destroyEventHandlers();
-            }
-            $.Widget.prototype._setOption.call(this, key, value);
-            if (refresh) {
-                this._initSpecialOptions();
-                this._initEventHandlers();
-            }
-        },
-
-        _initSpecialOptions: function () {
-            var options = this.options;
-            if (options.fileInput === undefined) {
-                options.fileInput = this.element.is('input:file') ?
-                        this.element : this.element.find('input:file');
-            } else if (!(options.fileInput instanceof $)) {
-                options.fileInput = $(options.fileInput);
-            }
-            if (!(options.dropZone instanceof $)) {
-                options.dropZone = $(options.dropZone);
-            }
-        },
-
-        _create: function () {
-            var options = this.options,
-                dataOpts = $.extend({}, this.element.data());
-            dataOpts[this.widgetName] = undefined;
-            $.extend(options, dataOpts);
-            options.namespace = options.namespace || this.widgetName;
-            this._initSpecialOptions();
-            this._slots = [];
-            this._sequence = this._getXHRPromise(true);
-            this._sending = this._active = this._loaded = this._total = 0;
-            this._initEventHandlers();
-        },
-
-        destroy: function () {
-            this._destroyEventHandlers();
-            $.Widget.prototype.destroy.call(this);
-        },
-
-        enable: function () {
-            $.Widget.prototype.enable.call(this);
-            this._initEventHandlers();
-        },
-
-        disable: function () {
-            this._destroyEventHandlers();
-            $.Widget.prototype.disable.call(this);
-        },
-
-        // This method is exposed to the widget API and allows adding files
-        // using the fileupload API. The data parameter accepts an object which
-        // must have a files property and can contain additional options:
-        // .fileupload('add', {files: filesList});
-        add: function (data) {
-            if (!data || this.options.disabled) {
-                return;
-            }
-            data.files = $.each($.makeArray(data.files), this._normalizeFile);
-            this._onAdd(null, data);
-        },
-
-        // This method is exposed to the widget API and allows sending files
-        // using the fileupload API. The data parameter accepts an object which
-        // must have a files property and can contain additional options:
-        // .fileupload('send', {files: filesList});
-        // The method returns a Promise object for the file upload call.
-        send: function (data) {
-            if (data && !this.options.disabled) {
-                data.files = $.each($.makeArray(data.files), this._normalizeFile);
-                if (data.files.length) {
-                    return this._onSend(null, data);
-                }
-            }
-            return this._getXHRPromise(false, data && data.context);
-        }
-
-    });
-
-}));
diff --git a/files/js/jquery.iframe-transport.js b/files/js/jquery.iframe-transport.js
deleted file mode 100644
index d85c0c11297..00000000000
--- a/files/js/jquery.iframe-transport.js
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * jQuery Iframe Transport Plugin 1.3
- * https://github.com/blueimp/jQuery-File-Upload
- *
- * Copyright 2011, Sebastian Tschan
- * https://blueimp.net
- *
- * Licensed under the MIT license:
- * http://www.opensource.org/licenses/MIT
- */
-
-/*jslint unparam: true, nomen: true */
-/*global define, window, document */
-
-(function (factory) {
-    'use strict';
-    if (typeof define === 'function' && define.amd) {
-        // Register as an anonymous AMD module:
-        define(['jquery'], factory);
-    } else {
-        // Browser globals:
-        factory(window.jQuery);
-    }
-}(function ($) {
-    'use strict';
-
-    // Helper variable to create unique names for the transport iframes:
-    var counter = 0;
-
-    // The iframe transport accepts three additional options:
-    // options.fileInput: a jQuery collection of file input fields
-    // options.paramName: the parameter name for the file form data,
-    //  overrides the name property of the file input field(s)
-    // options.formData: an array of objects with name and value properties,
-    //  equivalent to the return data of .serializeArray(), e.g.:
-    //  [{name: 'a', value: 1}, {name: 'b', value: 2}]
-    $.ajaxTransport('iframe', function (options) {
-        if (options.async && (options.type === 'POST' || options.type === 'GET')) {
-            var form,
-                iframe;
-            return {
-                send: function (_, completeCallback) {
-                    form = $('<form style="display:none;"></form>');
-                    // javascript:false as initial iframe src
-                    // prevents warning popups on HTTPS in IE6.
-                    // IE versions below IE8 cannot set the name property of
-                    // elements that have already been added to the DOM,
-                    // so we set the name along with the iframe HTML markup:
-                    iframe = $(
-                        '<iframe src="javascript:false;" name="iframe-transport-' +
-                            (counter += 1) + '"></iframe>'
-                    ).bind('load', function () {
-                        var fileInputClones;
-                        iframe
-                            .unbind('load')
-                            .bind('load', function () {
-                                var response;
-                                // Wrap in a try/catch block to catch exceptions thrown
-                                // when trying to access cross-domain iframe contents:
-                                try {
-                                    response = iframe.contents();
-                                    // Google Chrome and Firefox do not throw an
-                                    // exception when calling iframe.contents() on
-                                    // cross-domain requests, so we unify the response:
-                                    if (!response.length || !response[0].firstChild) {
-                                        throw new Error();
-                                    }
-                                } catch (e) {
-                                    response = undefined;
-                                }
-                                // The complete callback returns the
-                                // iframe content document as response object:
-                                completeCallback(
-                                    200,
-                                    'success',
-                                    {'iframe': response}
-                                );
-                                // Fix for IE endless progress bar activity bug
-                                // (happens on form submits to iframe targets):
-                                $('<iframe src="javascript:false;"></iframe>')
-                                    .appendTo(form);
-                                form.remove();
-                            });
-                        form
-                            .prop('target', iframe.prop('name'))
-                            .prop('action', options.url)
-                            .prop('method', options.type);
-                        if (options.formData) {
-                            $.each(options.formData, function (index, field) {
-                                $('<input type="hidden"/>')
-                                    .prop('name', field.name)
-                                    .val(field.value)
-                                    .appendTo(form);
-                            });
-                        }
-                        if (options.fileInput && options.fileInput.length &&
-                                options.type === 'POST') {
-                            fileInputClones = options.fileInput.clone();
-                            // Insert a clone for each file input field:
-                            options.fileInput.after(function (index) {
-                                return fileInputClones[index];
-                            });
-                            if (options.paramName) {
-                                options.fileInput.each(function () {
-                                    $(this).prop('name', options.paramName);
-                                });
-                            }
-                            // Appending the file input fields to the hidden form
-                            // removes them from their original location:
-                            form
-                                .append(options.fileInput)
-                                .prop('enctype', 'multipart/form-data')
-                                // enctype must be set as encoding for IE:
-                                .prop('encoding', 'multipart/form-data');
-                        }
-                        form.submit();
-                        // Insert the file input fields at their original location
-                        // by replacing the clones with the originals:
-                        if (fileInputClones && fileInputClones.length) {
-                            options.fileInput.each(function (index, input) {
-                                var clone = $(fileInputClones[index]);
-                                $(input).prop('name', clone.prop('name'));
-                                clone.replaceWith(input);
-                            });
-                        }
-                    });
-                    form.append(iframe).appendTo(document.body);
-                },
-                abort: function () {
-                    if (iframe) {
-                        // javascript:false as iframe src aborts the request
-                        // and prevents warning popups on HTTPS in IE6.
-                        // concat is used to avoid the "Script URL" JSLint error:
-                        iframe
-                            .unbind('load')
-                            .prop('src', 'javascript'.concat(':false;'));
-                    }
-                    if (form) {
-                        form.remove();
-                    }
-                }
-            };
-        }
-    });
-
-    // The iframe transport returns the iframe content document as response.
-    // The following adds converters from iframe to text, json, html, and script:
-    $.ajaxSetup({
-        converters: {
-            'iframe text': function (iframe) {
-                return $(iframe[0].body).text();
-            },
-            'iframe json': function (iframe) {
-                return $.parseJSON($(iframe[0].body).text());
-            },
-            'iframe html': function (iframe) {
-                return $(iframe[0].body).html();
-            },
-            'iframe script': function (iframe) {
-                return $.globalEval($(iframe[0].body).text());
-            }
-        }
-    });
-
-}));