Simple ray tracer example project

[HollowaySean]

Wishlist:

• [ ] Simple render technique such as spheres and plane w/ Phong shading
• [ ] Mouse & keyboard controls for camera

Depends on:

• [ ] #103

[HollowaySean]

Reference for later: https://stackoverflow.com/questions/7954927/passing-a-list-of-values-to-fragment-shader

[HollowaySean]

Note: May require implementation of

• [ ] Uniform buffer objects
• [ ] Cubemap textures