Class RenderableModelProjection, using the geometry position and texture
coordinate data instead of reverse engineering the geometry in shader.
Adding the shaders used to project and the modified model shader.
Adding the new Renderable class to newHorizons module and CMakelist
Shadow cylinders extending from planet terminator in opposite dir of sun
Plane that displays the global texture map of a planet as projections appear
^latter is an addition to RenderablePlane class, a renderable plane can have
boolean keyword "ProjectionListener" - determines whether or not it displays
