Render assimpmodel method for specifc matrix, work on phong shading
Earth model

Uses free texture from
http://planetpixelemporium.com/earth.html
Updated menu to have a 3D spinning earth

Still needs a lot of work.
Lighting is wrong - phong shader is at fault here.

Probably need to make it dynamiclly load based on some options in the mod.conf
Merge branch 'master' of github.com:TheJosh/chaotic-rage