Added animation support to JSON

This animation on the GPU breaks the simple
shading that was working.
Fixed the shader normals and version
sound assets
Merge pull request #3 from DonStroganotti/master

sound assets
Update shade.vert

using animated_pos.xyz in vec3 calculation (vec4+vec3 is undefined)
Merge pull request #4 from wrongu/patch-1

Update shade.vert
Merge branch 'master' of trillek-assets into graphics

Conflicts:
	tests/sample.json