#422 REST API: Moved Exception Listener to RestAPIBundle
#457 Rewrite services.xml to services.yml
#422, Added 'name' filter to ConnectionService
#422, Ignore 'active' field in input (for some reason the Integration Tests keep sending that one?)
#422 REST API: Added HACK to allow FOSRest to output the updated DTO use 201 Created instead of normal 200 OK.
#422 REST API: Added sorting and filtering on name to GET /api/connections.json
#422 REST API: Make sure name and type are unique
#422 REST API: Refactor setters to proper names (rename and changeType).