initial player implementation
Merge branch 'towerdefense2.0' of https://github.com/duke-compsci308-spring2013/vooga into towerdefense2.0
Merge branch 'towerdefense2.0' of https://github.com/duke-compsci308-spring2013/vooga into towerdefense2.0
fixed bug in tower placement
Merge branch 'towerdefense2.0' of https://github.com/duke-compsci308-spring2013/vooga into towerdefense2.0

Conflicts:
	src/vooga/towerdefense/action/actionlist/LaunchProjectile.java