Merge pull request #148 from WouterJ/fix_travis

Fixed travis
removed default generic_controller
simplified code
fix tests
fix test
adjust nullable fields
the twig regression is fixed, run the standard test again. fix #141
adjust to phpcr-odm validating nullable now
Merge pull request #151 from symfony-cmf/do-normal-test

the twig regression is fixed, run the standard test again. fix #141
Added ORM Unit tests
Fixed tests and documented id
Reflected Testing changes
Added Functional ORM tests
Fixed tests
Added missing entries to composer.json