Adding ICAP/SimpleTagBundle for managing tag on resource
Adding ICAP/BlogBundle to Claroline
Activate sluggable extension for doctrine
Adding SensioGeneratorBundle, just in case it cost nothing to let him seeing that we let it in the composer.json
Adding simpleTagBundle to manage tags and CKEditorBundle to include CKEditor in the project
Update submodules
Refactoring for unit tests (1).
Merge remote-tracking branch 'origin' into refactoring-for-unit-tests
Refactoring for unit tests (2).
Merge branch 'refactoring-for-unit-tests' of https://github.com/claroline/Claroline into refactoring-for-unit-tests
Refactoring for unit tests (mainly resource creation).
Merge remote-tracking branch 'origin' into refactoring-for-unit-tests
Merge branch 'master' of https://github.com/claroline/Claroline into refactoring-for-unit-tests

Conflicts:
	src/core/Claroline/CoreBundle/Library/Resource/Manager.php
Resource creation redone (draft: AbstractResourceRepositoryTest is working).
Resource refactoring almost done (1st version).
Merge branch 'master' of https://github.com/claroline/Claroline into refactoring-for-unit-tests

Conflicts:
	src/core/Claroline/CoreBundle/Library/Workspace/Creator.php
	src/core/Claroline/CoreBundle/Resources/config/repositories.yml
Merge branch 'refactoring-for-unit-tests' of https://github.com/claroline/Claroline into refactoring-for-unit-tests
Few fixes (AbstractResourceRepository now working).
Merge branch 'refactoring-for-unit-tests' of https://github.com/claroline/Claroline into refactoring-for-unit-tests
Fixed outpdated call in workspace fixture