* DataModel renamed
* dataHandler, closeHandler added.
Merge branch 'master' into connection-module

Conflicts:
	src/main/scala/org/jokbal/pusher/verticle/Pusher.scala
* dataHandler changed.
Merge branch 'master' into connection-module

Conflicts:
	src/main/scala/org/jokbal/pusher/model/Event.scala
Merge branch 'master' into connection-module

Conflicts:
	src/main/scala/org/jokbal/pusher/verticle/Pusher.scala
* minor bug fix.
Merge branch 'master' of https://github.com/JokBal/mod-pusher