Include glfw in Window
Testing tweaks (shared lib)
Add VertexArray
Add Buffers (element, vertex)
Add Shaders (combined frag / vert)
Change to premake5 build system
Fix GLM radian warnings
Implement graphics (vertex array wrapper)
Move GLFW / GLEW setup to Window class
Move shaders to glsl folder
Refactor Shader
Add Doxyfile
Switch to C++1y compilation
Move square data to resource folder
Update DESIGN.md to use GLFW, GWEN