Updated version in configure template to 0.6
Added Ray (ref #19)
Added BoundingVolume (ref #20)
Added AxisAlignedBoundingBox (ref #21)
Added Viewport (ref #22)
Generalized Projection documentation (ref #23)
Moved ProjectionTest out of Glycerin namespace (ref #23)
ProjectionTest should include 'm3d/Mat4.h' (ref #23)
Added Projection::unProject (ref #23)