Add vmath functions for creating projection and view matrices
Ensure location lookups are handled for shader attributes of
models.
Cleanup vmath code
Enable OpenGL 3.2 context
Make shaders compile under OpenGL 3.2
Add function to create translation matrices
Add new sketch for scenegraph manager code
Set fragment output name to oo_FragColor everywhere
Change to OpenGL 3 include files
Various small fixes
Sketch out more code for GL3
Kill dead code
Deduplicate DEG/RAD macros
Standardize attribute and uniform names
Remove all traces of GL2x and reorganize new sg code
Additional temporary / backup file to be ignored
Rename scenegraph2.c/h to something more descriptive
Vmath matrix functions

Adding additional vmath functions for manipulating matrices. These are used for the now explicit matrix
management.

In addition, the new camera code is extended a bit (though not yet complete)
Rename large world coordinate types and function names
White space cleanup