Basic rest event subscriber / listeners in rest bundle now listen to the graviton.rest.xxx events
Throw more errors and handle them in error handlers
Remove test code
cs fixes
remove type hint
Prepare response before send
pass an array to the serialiser
Merge branch 'develop' of https://github.com/libgraviton/graviton into feature/graviton-event

Conflicts:
	src/Graviton/RestBundle/Controller/RestController.php
Refactor RestController to use the same response object during the request / added serialize and deserialize methods to catch exceptions from jms_serializer
cs fixes
Fix patch action
Fix test / cs fixes
add type hint / change @return
cs-fixes
cs fixes / add type hint
return "internal server error"
use own getResponse method
fix comments
remove comment
change type hint