Cleanup (#600)

* General Code Cleanup
 * Add check for TABs to check_style_guide.py
 * Removing warnings

modules/base/rendering/renderableplane.cpp

@@ -176,7 +176,7 @@ void RenderablePlane::initializeGL() {
                 absPath("${MODULE_BASE}/shaders/plane_fs.glsl")
             );
         }
-    ); 
+    );
 }
 
 void RenderablePlane::deinitializeGL() {