Updated to use content type tags
Merge branch 'develop' of git://github.com/sulu-cmf/SuluContentBundle into feature/content_type_tags
refactored preview content type handling
fixed tests
Merge branch 'feature/content_type_tags' into develop
fixed test environment
fixed test setup for postgres
Merge branch 'develop' of git://github.com/sulu-cmf/SuluContentBundle into feature/internal-links
finished internal links content-type