Added x64 libs for Visual Studio.
Updated OF to work in x64. DirectShow instead of Quicktime for video. Still missing cairo and assimp libs.
Updated vs template for 64bit.
Merge branch '0.8.0_64' into feature-64bit

Conflicts:
	libs/openFrameworks/utils/ofConstants.h
	libs/openFrameworks/video/ofVideoPlayer.h
	libs/openFrameworksCompiled/project/vs/openframeworksLib.vcxproj
	libs/openFrameworksCompiled/project/vs/openframeworksLib.vcxproj.filters
	scripts/vs/template/emptyExample.sln
	scripts/vs/template/emptyExample.vcxproj
Using TARGET_64_BIT pound define.
Removed trailing slash in glew path for consistency.
Fixed 64-bit build flag thingy.
Fixed issues with glew post-merge.