added a test to attach a unbound Texture to a Framebuffer
renamed function to match more closely the gl sibling
mini code improvement
wrapper for glUseProgramStages
Image: Swap GL_UNPACK with GL_PACK
Merge pull request #2 from ocharles/master

Image: Swap GL_UNPACK with GL_PACK
added phantom type to 'Renderbuffer'

a Renderbuffer should have a fixed format once it is created.
The phantom type allows some contraints to derive the renderbuffer
format during creation.
export gl face targets
some instances to camera
Merge branch 'master' of github.com:ekmett/quine into develop
added search paths to shader 'compile'
fix for haddock
added setVertexAttrib & documentation