Merge branch 'composer/release/openid'
fix session
fix QC 174
Fixbug : back to mooc url
fix QC 173 : No Felicitation/Dommage when no badge after a Quizz
add markUsedForHint in Response object to allow new design
fix app.user
Fix error 500 in csv export when someone has started the quizz and not finished it (no end date)
Fix crash
Refactored badge uses
Merge branch 'release/candidate' of https://github.com/Solerni-R1-1/ExoBundle into develop
Moved methods to badgemanager
Added method for stat export
Fix icon for quizz answer with hint
Merge branch 'develop' into release/candidate

* develop:
  Fix icon for quizz answer with hint
  Added method for stat export
  Moved methods to badgemanager
  Refactored badge uses
Merge branch 'release/candidate'

* release/candidate:
  Fix icon for quizz answer with hint
  Added method for stat export
  Moved methods to badgemanager
  Refactored badge uses
  Fix crash
  Fix error 500 in csv export when someone has started the quizz and not finished it (no end date)
  fix app.user
  add markUsedForHint in Response object to allow new design
  fix QC 173 : No Felicitation/Dommage when no badge after a Quizz
  Fixbug : back to mooc url
  fix session fix QC 174