Merge branch 'develop' into release/candidate

* develop:
  Add method for statistics
  Added repository method for statistics
Add methods in repository for analytics keynumbers
Added method for analytics
Changed method to allow filter by role for analytics
Add method for resource rights bypass
Added _t on contents fields for solr
Merge branch 'develop' into release/candidate

Conflicts:
	Repository/MessageRepository.php
Fix crash when modifying subject
Merge branch 'release/candidate' of https://github.com/Solerni-R1-1/ForumBundle into develop