addind CoreMotion to the project
update method added
startint to implement accelerate motion to the f16
the airplace is moving, but not like jagger
improvements in the edge screen moves to the airplace
hidden statusbar
apply world, enemi and airplane constants and physics
Merge branch 'master' into core-motion

Conflicts:
	AirWar/Controllers/Scenes/AWPlayingScene.m
using gravity to move the airplane
Merge branch 'master' into core-motion

Conflicts:
	AirWar.xcodeproj/project.pbxproj
	AirWar/Controllers/Scenes/AWPlayingScene.m
statusbarhidden method removed
Merge pull request #7 from rafaelks/core-motion

New feature: Using accelerometer and physics to make airplane move