Fixing OBJ parser to allow for objects that have no mtl files.
Using a more obscure material name.
Updating readme.
Changing default values.
Changing Ns to 0.0 instead of 1.0
Merge pull request #7 from jtmzheng/fix-obj-parsing

Fixing OBJ parser to allow for objects that have no mtl files.
- Initial commit of the World class (encapsulates a DynamicsWorld and a
Renderer)
- Added a collision mesh object to Model (very slow!)
- Fixed usage of static variable BYTES_PER_PIXEL in Texture
- Added new stuff to the World class
- Added rigid body generation to the model
- Test model set to sphere
Merge branch 'worldphysics' of https://github.com/jtmzheng/3dss.git into
worldphysics

Conflicts:
	src/threed/space/shooter/Main.java