Added the ability to transform the test triangle by setting matrices

|SOURCE|
[Common/Matrix4x4]
* Fixed the rotation and CreateViewLookAt functions to correctly rotate and use
  the right-handed co-ordinate system
* Defined the multiplication of one matrix by another (non-destructive)
[Common/Game]
* The triangle is rotated on the Z axis with a camera 10 units away from it on
  the positive Z axis (which should be in front of the front face of the
  triangle)
[Common/Maths]
* Fixed a typing error with the cosine value being assigned the sine value