Bump mapped asteroid. Normals are inverted however.
Fixed normals problem.
it just works.
update to instance from one object
Fixed instancing over one external object.
Fixed uninitialized members in copy constructor of external model. Changed shaders to support 3 types of textures: no texture, regular, bump map.
1. finalized bump mapping on Bumps branch
Merge branch 'Bumps'
Fixed merge conflicts, bump map works.
Conflicts:
	StarFaux/StarFaux/ExternalModel.cpp
	StarFaux/StarFaux/ExternalModel.h
	StarFaux/StarFaux/Shape.h
	StarFaux/StarFaux/fshader.glsl
	StarFaux/StarFaux/main.cpp
	StarFaux/StarFaux/main.h
	StarFaux/StarFaux/vshader.glsl