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
Merge pull request #158 from solispauwels/master

GUI update
Updating ResourceVoter.
Refactored my workspaces tags
Merge pull request #159 from ngodfraind/resource-voter-is-granted-refactor

Updating ResourceVoter.
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