Moved events to the entities package because they directly reference Entities.
Fixed 2 package declarations to comply with the previous commit.
Cleaned up some ugly comments.
Added variable sprite layering.
Generic Renderables are now compatible with sprite layering.
Merge branch 'master' of https://github.com/PunchlineGames/JavaLib

Conflicts:
	JavaLib/src/com/punchline/javalib/entities/components/physical/Sensor.java