Add Scope to export view
Fix number serialization
DIRTY : fix Question duplication

******* FIX THIS *****
Merge branch 'master' of github.com:Heigvd/Wegas

# By Benjamin Gerber
# Via Benjamin Gerber
* 'master' of github.com:Heigvd/Wegas:
  Debug unreadCount on questions
  debug treeble
  CrimeSim debug treeble in scheduleDisplay
  CrimeSim debug treeble in resultDisplay
  Crimsim - treeble for mcq in editor view 2
  Crimsim - treeble for mcq in editor view
  CrimeSim - improve highlight unread evidences
  CrimeSim - modify consideration of read events on evidences
  CrimeSim - highlight unread evidences