Merge pull request #1 from FriendsOfSymfony/master

Back in changes of original source
Merge branch 'master' of https://github.com/SimonSimCity/FOSRestBundle
Return 415 on unsupported format in request-body
Merge branch 'master' into patch-2
Merge pull request #657 from SimonSimCity/patch-2

Return 415 on unsupported format in request-body