Workspace tool management refactoring (same order for every role)
Merge branch 'master' of https://github.com/claroline/Claroline

Conflicts:
	src/core/Claroline/CoreBundle/Entity/Workspace/AbstractWorkspace.php
	src/core/Claroline/CoreBundle/Migrations/Version20120119000000.php
Merge branch 'master' of https://github.com/claroline/Claroline

Conflicts:
	src/core/Claroline/CoreBundle/Library/Resource/Manager.php
	src/core/Claroline/CoreBundle/Library/Workspace/Creator.php
	src/core/Claroline/CoreBundle/Repository/RoleRepository.php
Merge branch 'master' of https://github.com/claroline/Claroline

Conflicts:
	src/core/Claroline/CoreBundle/Entity/Workspace/AbstractWorkspace.php
Removing a doublon method