Refactored the Vector class.
Added missing cross product.
Refactored the Vector class.
Added a homogeneous vector normalisation method to the Vector class.
Removed the matrix dependent code from the Quaternion class.
Added a Matrix class to wrap the functionality provided by Android.
Added projection matrix methods to the Matrix class.
Added missing functionality to the Matrix class.
Removed currently unused gameplay features. To be refactored and added back later.
Refactored classes to take advantage of the new linear math package.
Added missing matrix inversion.