Ported tutorial 05 for linux.
Started article 06
Deleting old unused project
Point lights and controls for light colors
Removed directional lights. Now using world coords
tdogl::Camera getters for view/projection
tdogl::Program::uniform overload for vec3 and vec4
Removing camera matrix from RenderInstance

Also fixing whitespace. Who knew Xcode put so many
in?
Changing `vert` shader var to vec3 (from vec4)
Merge remote-tracking branch 'upstream/master'