Scala api made compatible with Play 2.3. NOTE: actors api are still missing and Java api are broken.
Merge branch 'master' of https://github.com/fdimuccio/play2-sockjs

Conflicts:
	project/Build.scala
	samples/sockjs-protocol-test/project/Build.scala
	src/main/scala/play/sockjs/core/transports/EventSource.scala
Fixes Java API to work with the new tryAccept API