Fix listener port management

* Listener should not attempt to bind a udp port
  other than the one a user expects it to listen on,
  be it the default +2 port, or an explicitly set one.
* Describe the BeginPlay method
Improve private API readabilty
Make player name be a subject of text filtering when eff. policy is on
Tell vim to treat the class file as a java one
Update README for 1.1.0-beta
Update CHANGES for 1.1.0-beta
Update fabfile