Optimized keynumbers & details tab of analytics
Merge branch 'develop' of https://github.com/Solerni-R1-1/CoreBundle into feature/analytics/optim

Conflicts:
	Controller/Mooc/MoocAnalyticsController.php
	Manager/AnalyticsManager.php
Finished analytics optimisation phase 1 (No export + pas d'optim du worker)
Merge branch 'develop' of https://github.com/Solerni-R1-1/CoreBundle into feature/analytics/optim
Merge branch 'feature/analytics/optim' into develop