Renamed lighting shader to default, shoehorned in glsl 3.30 support for Intel on Linux, removed duplicate handleGlError methods, added OpenGL and GLU to Object namespace, removed redundant includes for OpenGL and GLU, VBO and VAO now render (all be it incorrectly)

shaders/vertex/lighting.glsl

@@ -1,9 +0,0 @@
-# version 330
-
-layout(location = 0) in vec3 vert;
-uniform vec3 position;
-
-void main() {
-  // projection * view * model *
-  gl_Position = vec4(vert+position, 1.0);
-}