Moves the plane based on bearings

Calculates how much the plane needs to move based on the
bearings(radians). 0 is the top of the screen.

Rotates the plane image based on the bearing such that it is facing the
correct direction.
Merge branch 'master' of https://github.com/SEPRGroup/SEPRProject

Conflicts:
	Code/Game/src/sepr/atcGame/Aircraft.java