Added a query for the OCC grid.
Added rendering of the map.
Improved the rendering.
Experimenting with locks.
Fixed a bug in the rendering.
Factored the grid filter code into the ProbabilityMap.
Just a few changes.
Merge branch 'master' of https://github.com/tjcs470/BZRFlag_470

Conflicts:
	src/main/BZRFlag.java
	src/main/NavigatorAgent.java