* Show total tracked time in issue and milestone list
Show total tracked time at issue page

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Optimizing TotalTimes by using SumInt

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fixing wrong total times for milestones caused by a missing JOIN
Adding unit tests for total times

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Logging error instead of ignoring it

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Correcting spelling mistakes

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Change error message to a short version

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add error handling to TotalTimes
Add variable for totalTimes

Signed-off-by: Jonas Franz <info@jonasfranz.de>

* Introduce TotalTrackedTimes as variable of issue
Load TotalTrackedTimes by loading attributes of IssueList
Load TotalTrackedTimes by loading attributes of single issue
Add Sec2Time as helper to use it in templates

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fixed test + gofmt

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Load TotalTrackedTimes via MilestoneList instead of single requests

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add documentation for MilestoneList

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Add documentation for MilestoneList

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix test

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Change comment from SQL query to description

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix unit test by using int64 instead of int

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix unit test by using int64 instead of int

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Check if timetracker is enabled

Signed-off-by: Jonas Franz <info@jonasfranz.software>

* Fix test by enabling timetracking

Signed-off-by: Jonas Franz <info@jonasfranz.de>

* refactor struct's time to remove unnecessary memory usage

* use AsTimePtr simple code

* fix tests

* fix time compare

* fix template on gpg

* use AddDuration instead of Add

* use AfterLoad instead of AfterSet on Structs

* fix the comments on AfterLoad

* fix the comments on action AfterLoad

* Added comment's hashtag to url for mail notifications.
* Added explanation to return statement + documentation.
* Replacing in-line link generation with HTMLURL. (+gofmt)
* Replaced action-based model with nil-based model. (+gofmt)
* Replaced mailIssueActionToParticipants with mailIssueCommentToParticipants.
* Updating comment for mailIssueCommentToParticipants
* Added link to comment in "Dashboard"
* Deleting feed entry if a comment is going to be deleted
* Added migration
* Added improved migration to add a CommentID column to action.
* Added improved links to comments in feed entries.
* Fixes #1956 by filtering for deleted comments that are referenced in actions.
* Introducing "IsDeleted" column to action.
* Adding design draft (not functional)
* Adding database models for stopwatches and trackedtimes
* See go-gitea/gitea#967
* Adding design draft (not functional)
* Adding translations and improving design
* Implementing stopwatch (for timetracking)
* Make UI functional
* Add hints in timeline for time tracking events
* Implementing timetracking feature
* Adding "Add time manual" option
* Improved stopwatch
* Created report of total spent time by user
* Only showing total time spent if theire is something to show.
* Adding license headers.
* Improved error handling for "Add Time Manual"
* Adding @sapks 's changes, refactoring
* Adding API for feature tracking
* Adding unit test
* Adding DISABLE/ENABLE option to Repository settings page
* Improving translations
* Applying @sapk 's changes
* Removing repo_unit and using IssuesSetting for disabling/enabling timetracker
* Adding DEFAULT_ENABLE_TIMETRACKER to config, installation and admin menu
* Improving documentation
* Fixing vendor/ folder
* Changing timtracking routes by adding subgroups /times and /times/stopwatch (Proposed by @lafriks )
* Restricting write access to timetracking based on the repo settings (Proposed by @lafriks )
* Fixed minor permissions bug.
* Adding CanUseTimetracker and IsTimetrackerEnabled in ctx.Repo
* Allow assignees and authors to track there time too.
* Fixed some build-time-errors + logical errors.
* Removing unused Get...ByID functions
* Moving IsTimetrackerEnabled from context.Repository to models.Repository
* Adding a seperate file for issue related repo functions
* Adding license headers
* Fixed GetUserByParams return 404
* Moving /users/:username/times to /repos/:username/:reponame/times/:username for security reasons
* Adding /repos/:username/times to get all tracked times of the repo
* Updating sdk-dependency
* Updating swagger.v1.json
* Adding warning if user has already a running stopwatch (auto-timetracker)
* Replacing GetTrackedTimesBy... with GetTrackedTimes(options FindTrackedTimesOptions)
* Changing code.gitea.io/sdk back to code.gitea.io/sdk
* Correcting spelling mistake
* Updating vendor.json
* Changing GET stopwatch/toggle to POST stopwatch/toggle
* Changing GET stopwatch/cancel to POST stopwatch/cancel
* Added migration for stopwatches/timetracking
* Fixed some access bugs for read-only users
* Added default allow only contributors to track time value to config
* Fixed migration by chaging x.Iterate to x.Find
* Resorted imports
* Moved Add Time Manually form to repo_form.go
* Removed "Seconds" field from Add Time Manually
* Resorted imports
* Improved permission checking
* Fixed some bugs
* Added integration test
* gofmt
* Adding integration test by @lafriks
* Added created_unix to comment fixtures
* Using last event instead of a fixed event
* Adding another integration test by @lafriks
* Fixing bug Timetracker enabled causing error 500 at sidebar.tpl
* Fixed a refactoring bug that resulted in hiding "HasUserStopwatch" warning.
* Returning TrackedTime instead of AddTimeOption at AddTime.
* Updating SDK from go-gitea/go-sdk#69
* Resetting Go-SDK back to default repository
* Fixing test-vendor by changing ini back to original repository
* Adding "tags" to swagger spec
* govendor sync
* Removed duplicate
* Formatting templates
* Adding IsTimetrackingEnabled checks to API
* Improving translations / english texts
* Improving documentation
* Updating swagger spec
* Fixing integration test caused be translation-changes
* Removed encoding issues in local_en-US.ini.
* "Added" copyright line
* Moved unit.IssuesConfig().EnableTimetracker into a != nil check
* Removed some other encoding issues in local_en-US.ini
* Improved javascript by checking if data-context exists
* Replaced manual comment creation with CreateComment
* Removed unnecessary code
* Improved error checking
* Small cosmetic changes
* Replaced int>string>duration parsing with int>duration parsing
* Fixed encoding issues
* Removed unused imports

Signed-off-by: Jonas Franz <info@jonasfranz.software>