adding gitignore.
Added base project files.
Added Unofficial OpenGL Software Development Kit. Build instructions here: http://glsdk.sourceforge.net/docs/html/pg_build.html. Built using premake to generate projects and solutions, built in Visual Studio 2012.

Added necessary include/lib directories and dependencies to OpenGL_1Setup.vcxproj
Added AntTweakBar static library.
Double checked libraries were compiled with multi-threaded DLL