Refactored admin workspace tag management
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag

Conflicts:
	Resources/translations/platform.en.yml
	Resources/translations/platform.fr.yml
Updated translations
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag

Conflicts:
	Repository/WorkspaceRepository.php
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag
Refreshed code
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag
Added admin workspace tag management by workspace
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag

Conflicts:
	Resources/translations/platform.en.yml
Refactored admin workspace tag attribution
Added admin workspace tag management
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag

Conflicts:
	Resources/translations/platform.en.yml
	Resources/translations/platform.fr.yml
Refactored my workspaces tags
User can send message to all users in the same workspace and groups he is subscribed in
Merge branch 'master' of https://github.com/claroline/CoreBundle into message-user-contact-list
Set workspace auto-selfregistration by default
Displayed all workspaces user can unsubscribed in unsubscribe page
Fixing ResourceVoter
Merge pull request #160 from kitan1982/message-user-contact-list

Message user contact list