Changed flags for reading from "r" to "rb", for writing from "w" to "wb"

Changed flags for reading from "r" to "rb", for writing from "w" to "wb"
in the FileReader and FileWriter.
Added FileTransfer::procFLRUpload(...)  method.
Now It's possible the upload files and folders.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@423 3789f03b-4d11-0410-bbf8-ca57d06f2519