Added GLEW support and shader are functional now

All fragments will be painted red

opengl-test-two/trimap.vertexshader

@@ -0,0 +1,8 @@
+#version 330 core
+
+layout(location = 0) in vec3 vertexPosition_modelspace;
+
+void main(){
+  gl_Position.xyz = vertexPosition_modelspace;
+  gl_Position.w = 1.0;
+}