small changes for
Got mutual visibility working.
1.) gave foreigner a separate draw method.
2.) removed semaphores from batseverywhere and clientreceiver
3.) cleaned up some other files, ie removed unnecessary imports etc.




Merge branch 'Multiplayer' of https://github.com/ProfAmesBC/Game2013.git
into Multiplayer

Conflicts:
	src/game/BatsEverywhere.java
Integrated in with Muhan's more recent avatar stuff.  This caused big
issues and I went back to drawing spheres.


Merge branch 'Multiplayer' of https://github.com/ProfAmesBC/Game2013.git
into Multiplayer

Conflicts:
	src/Multiplayer/Avatar.java
	src/game/BatsEverywhere.java
	src/game/Player.java