Refactored CollisionManager name
Added Observer pattern class
Stub completed for observer
Added Observable
Added logging
Added reference to logging library
Added MVC Model pattern
Added MVC View pattern
Added MVC Controller pattern
Removed all patterns due to PCL-XNA incompatibilities (?)
Removed Debug logs project due to incompatibilities
Removed CollisionManager prior to rename
Added CollisionManager2D
Added Debug logging class
Added Observer pattern
Added Observer pattern reference to CollisionManager2D
Added logging
Added logging
Made abstract
Made abstract