Input handling implemented in separate class.
Render test of triangle
Removed triangle rendering and relocated callback initialization to respective function.
Fixed issue #1 pertaining to triangle rendering
Implemented shader class for modular GLSL shader program compilation
Beginnings of implementing shaders. So far compatible with nVidia cards.
Refined Shader compilation.
Shaders now successfully compiling.
Renaming of Shader class.
Merge branch 'Initialisation'