Mewtwo - Freestanding Model

This is a remix of hawo's Mewtwo model to be freestanding on a level surface.

I flattened the bottoms of the feet and altered the pose to put the center of gravity between the feet. I remeshed the model to drop the polygon count and made other minor changes to the sculpt. In addition, the alterations I made to the stance are (I think) more aggressive and confrontational, as appropriate for Mewtwo.