Questions can now be deleted from a questionGroup
Added PhpActiveResource to work with the intranet API
Couldn't add the extension because it was still a repo

Fixed now.
Added small todo to questiongroups
bis
Added filterCanModifySurvey in QuestioGroupsController
Added updates in Questions view
Added questionGroups position update
Added propositions position update
Replaced survey/update by survey/view in controllers
Added answer format edit in Proposition view
Merge branch 'dev' into FireGhostTesting