Added Mesh and Vertex classes for models. Added RenderController for control over openGL initialisations and update methods. Added Matrix4f and Quaternion classes for 3D mathematical control. Modified Input so it's update uses less memory. Modified Prop to abstract so it's children (actual game props) can be added to the PropList. Added a very basic prop, Rectangle, to draw a rectangle on screen using the Mesh class to store the verticies. Removed a width height and depth variable for all entities. Moved the x,y,z constructor variables for position of a prop only now and no longer an entity.