MATH: Fix indentation for matrix4.
MATH: Add a selectable Euler Order to Rotation3D.
EMI/GRIM/MYST3: Replace some Quaternions with Rotation3D.
MATH: Rename getVector3d and add comments for the Vector3d class.
MATH: Add comments and rename getQuaternion.
MATH: Add new quaternion capability and fix multiplication.
MATH: Replace Euler Angle implementation with Rotation3D.