Added functions for the addition and removal of physical objects.

Signed-off-by: fad4470 <fad4470@rit.edu>
Added bullets (not fully implemented)

Signed-off-by: fad4470 <fad4470@rit.edu>
Merge branch 'master' of https://github.com/fad4470/GDD_Upgrage.git

Conflicts:
	Upgrage-Box2d/Upgrage-Box2d.swf
	Upgrage-Box2d/src/com/upgrage/components/physics/PPlayer.as

Signed-off-by: fad4470 <fad4470@rit.edu>
Shooting fully implemented. Moved events to their own folder.

Signed-off-by: fad4470 <fad4470@rit.edu>