Main: Matrix - switch to out of class operator definitions
Main: Matrix - switch to out of class operator definitions

for interop between Matrix4 and Affine3
OGRECave/ogre,paroj/ogre,OGRECave/ogre,paroj/ogre,paroj/ogre,OGRECave/ogre,OGRECave/ogre,OGRECave/ogre,paroj/ogre,paroj/ogre