Aqsis Renderer bug fix release 0.7.16

This is just a bug fix release. There was a critical bug in the 0.7.15 release which meant the Aqsis executable wouldn't work under Windows, it couldn't find displays an other resources via the environment variables. Aqsis is a Renderman(tm) compliant 3D rendering toolkit. Aqsis is based on the Reyes rendering architecture. Features include : Programmable Shading True Displacements NURBS CSG Motion Blur Subdivision Surfaces