Progress bar when updating packages.
Merge branch '3.0-dev' of https://github.com/claroline/CoreBundle into platform-packages

Conflicts:
	Resources/translations/platform.en.yml
	Resources/translations/platform.es.yml
	Resources/translations/platform.fr.yml
Composer upgrade (test)
Composer upgrade (draft2)
Composer upgrade gui (draft3)
Merge branch '3.0-dev' of https://github.com/claroline/CoreBundle into platform-packages
Updating the maintenance pages.
Adding update command.
Adding Update command to the dependency manager.
Merge branch 'platform-packages' of https://github.com/ngodfraind/CoreBundle into platform-packages

Conflicts:
	Command/PlatformUpdateCommand.php
	Manager/DependencyManager.php
Merge fix.
Removing useless Exception.
Version lock when updating.
Output for update.
Adding getContainer method.
disables evaluations list button in activity when there is no evaluation
Merge branch '3.0-dev' of https://github.com/claroline/CoreBundle into activity-refactoring
Merge branch '3.0-dev' of https://github.com/claroline/CoreBundle into platform-packages

Conflicts:
	Controller/ActivityController.php
	Controller/WorkspaceAnalyticsController.php
Merge branch '3.0-dev' of https://github.com/claroline/CoreBundle into platform-packages

Conflicts:
	Library/Installation/Updater/Updater030000.php
	Resources/translations/platform.en.yml
	Resources/translations/platform.es.yml
	Resources/translations/platform.fr.yml
Rename method.