Zend\Mvc\Controller\AbstractRestfulController:
- Fixed AbstractRestfulController to consult Content-type
- Made Json::decode use array notation by default
- Added property to set Json return type in controller
ZendTest\Mvc\Controller\RestfulControllerTest
* reset the shared event manager so that test will pass when run with others
Zend\Mvc\Controller\AbstractRestController:
- fixed content-type header for hal+json
Merge branch 'hotfix/rest-controller-json-as-array' of git://github.com/ralphschindler/zf2 into hotfix/3414
Merge branch 'hotfix/3414' into develop

Close #3414