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/default.glsl

@@ -0,0 +1,24 @@
+# version 330
+
+layout(location = 0) in vec3  inPosition;
+layout(location = 1) in vec3  inColor;
+layout(location = 2) in vec4  inNormal;
+layout(location = 3) in vec3  inUV;
+layout(location = 4) in float inTextureID;
+
+out vec3 outColor;
+out vec4 outNormal;
+out vec3 outUV;
+out float outTextureID;
+
+uniform vec3 worldPosition;
+
+void main() {
+  // projection * view * model *
+  outColor = inColor;
+  outNormal= inNormal;
+  outUV    = inUV;
+  outTextureID = inTextureID;
+
+  gl_Position = vec4(worldPosition + inPosition, 1.0);
+}