cleaned up variant of https://github.com/GarageGames/Torque3D/pull/768 alterations: opengl support, in-shader bug-reporting, direction vector fit to material slider-bar.
Added OpenGL to projects.xml.
Merge pull request #1081 from eightyeight/opengl-project-manager

Added OpenGL to projects.xml
Merge pull request #1074 from Azaezel/AccuVolumes_2

Accumulation volumes