Handle SockJs Message
Merge pull request #13 from dosht/master

change ask pattern to normal actor in session dequeue
Merge branch 'master' of https://github.com/ashihaby/play-sockjs

Conflicts:
	project-code/app/com/cloud9ers/play2/sockjs/SockJsPlugin.scala
Merge branch 'master' of https://github.com/ashihaby/play-sockjs
Implement SockJsMessage
Handle 404 case in session
xhr_send returns 404 in case of bad session requested