Sorting

Sorting directive implemented, and added to users.

SDUX-3
Fix travis build status image.
Merge pull request #27 from petrjasek/patch-1

Fix travis build status image.
Implement my profile update.

SDUX-13 #resolve
Merge remote-tracking branch 'ozan/sorting'
Merge remote-tracking branch 'petr/edit-profile'
Implement image uploader - adding library and basic functionality

SDUX-33
Merge changes and resolve conflicts of upload-avatr branch and master
Fix requirejs loading of upload modules.
Merge remote-tracking branch 'nikola/upload-avatar'
Implement saving of user picture on profile page.

There is now upload service which returns a promise.

SDUX-39