maintenance: removed deprecated code from memcells, tracks, events

openglmatrixstack.cpp

@@ -0,0 +1,13 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#include "stdafx.h"
+#include "openglmatrixstack.h"
+
+opengl_matrices OpenGLMatrices;