Merge pull request #2899 from mrvisser/activity-add-group-member

Swap object and target for add group member activity back for activityst...
Tile overflow
Merge branch 'master' of github.com:oaeproject/3akai-ux
Merge branch 'groupi18n' of git://github.com/bp323/3akai-ux into groupi18n
Adding Italian translation
Fix inline edit display issue
Close h4 tag in comments.
Merge branch 'comments' of git://github.com/bp323/3akai-ux into comments
Reversing the discussion thread order in activities
Hidding the Etherpad iFrame when unloading the page
Various accessibility fixes
Use $rootel in etherpad.js
Fixed Chrome sorting issue
Monday's Dutch translations.
Merge remote-tracking branch 'origin/master' into accessibility
Valencian translation

Official language in valencia and cooficial in spain. The universities and schools have to offer the software in both languages. Castillian and valencian
Follow up on accessibility work
Merge remote-tracking branch 'origin/master' into editableJump
Create vls_VLC.properties
Margin fix