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
Refactored workspace tag management
Changed display after adding/removing subcategory
Displayed all categories where workspaces will be put
Merge branch 'master' of https://github.com/claroline/CoreBundle into refactoring-workspace-tag
Merge pull request #165 from kitan1982/refactoring-workspace-tag

Refactoring workspace tag