Implemented initialisers and key methods for Bullet, Turret, and Ship.
CHANGELOG-8192014-1600
MODELS:
Added Player model object
Added score property to Ship
VIEWS:
Added Ship View
Added Player Ship View
Added basic neutral, player, and enemy ship graphics
CONTROLLERS:
Added Player Controller
Added touch controls to Battle View Controller
 - basic left and right movement
 - placeholder for bomb launching via swipe forward
PROTOCOLS:
Added Ship Control Protocol for movement and firing