Merge pull request #24 from baasbox/master

Upgrade to Play 2.2.3
Force an internal server error in case of exception raised by controllers or services

Otherwise in Play 2.2.3 no response is given to clients
Merge pull request #322 from giastfader/master

Force an internal server error in case of exception raised by controllers or services
Merge pull request #65 from baasbox/master

pull request from repository baasbox