Merge pull request fffaraz#120 from betajippity/GLFW

Added GLFW to Graphics

Author: fffaraz

README.md

@@ -260,6 +260,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 
 * [bgfx](https://github.com/bkaradzic/bgfx) - A cross-platform rendering library. [BSD]
 * [Cairo](http://www.cairographics.org/) - A 2D graphics library with support for multiple output devices. [LGPL2 or Mozilla MPL]
+* [GLFW](https://github.com/glfw/glfw) - A simple, cross-platform OpenGL wrangling library. [zlib/libpng]
 * [Horde3D](https://github.com/horde3d/Horde3D) - A small 3D rendering and animation engine. [EPL]
 * [magnum](https://github.com/mosra/magnum) - C++11 and OpenGL 2D/3D graphics engine. [MIT] [website](http://mosra.cz/blog/magnum.php)
 * [Ogre 3D](http://www.ogre3d.org/) :zap: - A scene-oriented, real-time, flexible 3D rendering engine (as opposed to a game engine) written in C++. [MIT]