Merge pull request #682 from kitan1982/activity-refactoring

Adds tab for activities tracking in workspace analytics tool
Fixed demo fixtures
Merge pull request #688 from stefk/fix-demo

Fixed demo fixtures
Changes comments display style
Adds some translations
GUI update
Merge branch '3.0-dev' of https://github.com/claroline/CoreBundle into activity-refactoring
Adds option to enable display of passing result defined in rule
Allows evaluation status edition if type is not automatic
Generates new migrations
Ads info popover in rule form
Sets default evaluation type to manual
Adds a tooltip to know activity status
Orders users by lastName and firstName in activity tracking + adds pager
Show user name when editing evaluation
Adds missing translations