Make DCHECK suck less.
Add unit test target and color tests.
Add ---- separators and set GL version to 2.0 for now.
Add event tests and fix bugs uncovered by these tests.
Add string utils.
Add event unit tests.
Add Vector3 and simple perftest target.
Add timer util class.
Add skeletons of basic math types.
Add Node class.
Move Node and Camera into a scene/ dir.
Style/etc cleanup.
Add GLEW and BufferObject.
Add GL BufferObject wrapper.
Add MeshData util class.