Add SDL_Image library
WIP: Textured cube
Add two other format files
Add = operator to ensure ref counts are correctly maintained
Additional logging
Reformat texture formats on load
Improve textured cube
Enable doxygen
Scan all relevant directories
Emit the names of successful test cases
Add getName();
Add fixed bindings for a few new vertex attributes
WIP: Cube with lighting
Add vertex attributes
Basic mouse tracking
Lit cube demo
Update class name / window title
Use new crate texture
Basic specular highlighting implementation