[Http] Fix curl protocol version
Merge branch 'adamlundrigan-hotfix/6209'

Close #6209 #6469
Merge branch 'cs/#6490-zend-authentication-cs-fixes'

Close #6490
Merge branch 'http-curl-protocol-version' of github.com:egeloen/zf2 into egeloen-http-curl-protocol-version
Merge branch 'egeloen-http-curl-protocol-version' into develop

Forward port #6485