Changes Optix Sample path
Add -use_fast_math to nvcc compile options as suggested by voldemarz
Merge branch 'master' of https://github.com/voldemarz/OppositeRenderer

Conflicts:
	RenderEngine/RenderEngine.vcxproj
Add x64 dir to .gitignore
Removes unsupported x86 configuration from Solution
Changes Output directory to VS project default.
Notes\comments in code
Remove space in front of PPM dock name
Formatting
Allow to close docks, add menu to toggle them on/off
Remove Visual Lead Detector headers. Use from it's install location
Removed include folder with headers of glew, glut, glex, assimp. Adder paths to Gui, RenderEngine project settings (except for glext headers which doesn't seem to be used)
Removed include folder with headers of glew, glut, glex, assimp. Adder paths to Gui, RenderEngine project settings (except for glext headers which doesn't seem to be used)
Merge branch 'master' of https://github.com/igui/OppositeRenderer
Conflicts (proj build paths):
	Gui/Gui.vcxproj
	RenderEngine/RenderEngine.vcxproj
Revert proj changes added by merge: build paths and use of mast math flag for all cuda files
Enable parallel compilation
Make smaller initial window size
Comment about wrongly assumed incorrect area light contribution computation
More clarifying comments about light sampling
Comments/notes in the code