submodules GUI update
Merge remote-tracking branch 'upstream/master'
submodule update
GUI update (resources filter)
Merge remote-tracking branch 'upstream/master'
submodule update
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/plugin/Claroline/ForumBundle
Readme update + submodule gui update
Merge remote-tracking branch 'upstream/master'
Merge pull request #260 from solispauwels/master

GUI update