Minor CSS fix
Merge branch 'develop' into release/candidate

* develop: (46 commits)
  Private mention on mooc presentation
  Fixbug Header placeholder IE9. Fix Email link content
  Header CSS small adjustement
  Added mooc name in login/registration pages when trying to register to a mooc while not connected
  Add private layer on private moocs
  Change in user inscription funnel : no more key form, automatic redirections
  Fix crashes
  Date fixed on template search result mooc session
  Fixbug on entity relationship
  Removed ability to change language in profile edit
  Fix registration mails order and titles
  Restrained access of private session for non allowed users
  Fix crash
  Fixbugs
  Optimized import in group
  Fixbug to allow anon user to see resource with header
  Stats small bugfixes
  Frontend restructure and design of mooc stats. Fixbugs.
  Fix import and adding a group to a mooc session
  fixbug: datepicker on new sessions on the mooc edit form. Platform analytics twig fixed
  ...
Merge branch 'develop' into release/candidate

* develop:
  Added popup for registration to mooc Removed aboutDescription and Title from description panel in catalogue
Fixbug: Mooc title on mooc image (lesson page)
Added 0 logs values for date statistics
Fixbug : words numbers for encart mooc and wording on header badge button
Fix various problems in statistics
Updated export and piecharts for badges analytics
Update analytics for badge participation graph
Fixbug: Mooc title on mooc image (lesson page)
WorkInProgress : Profile Design
Added tab key numbers in analytics
Add analytics
Profile Design
Fix crash
User could unsubscribe from profile page
Deplace all data function in analytics manager.
Profile design update
Importing users in group now gives back a rejection file
Fix crash in quizz badges calculated mark
Design Analytics - WOP