- Move ObjLoader

- Make JsonModelLoader dont implement ModelLoader
- Rename NewMaterial to Material
- Add ModelInstance constructor by position
Add GLES10Shader
- Update the tests to use the new 3d api

- Disable ShadowMappingTest and SoftMeshTest for now
- Update gdxinvaders to use new 3d api (todo: explosions)
- Remove old g3d stuff
Forgot to commit this (i should really cleanup)
This shouldnt be included (was to test an issue on the tracker)
Merge pull request #323 from xoppa/new3dapi

New3dapi, remove old code, gles10 renderer, etc.