Merge branch 'issue-282-widget-workspace-list'
Added missing use
Added log when updating widget
GUI update for workspace tag. Closes claroline/Claroline#294
Merge branch 'master' of https://github.com/claroline/CoreBundle
Gui update workspace list with self registration
Merge branch 'master' of https://github.com/claroline/CoreBundle into issue-299-workspace-unsubscribe-page

Conflicts:
	Library/Installation/AdditionalInstaller.php
Merge branch 'issue-294-workspace-list-gui' into issue-299-workspace-unsubscribe-page
GUI update in workspaces list
Refactored workspace self-registration page
Added workspace unregistration page
Deleted JS for my workspace list
Merge branch 'master' of https://github.com/claroline/CoreBundle into issue-299-workspace-unsubscribe-page
Fixed bug in flashbag when deleting last manager
Fixed registration bug for admin
Fixed tests in Workspace controller
Fixed tests in Authentication controller
Fixing single file download.
Using array instead of references.
Fixed many controller tests