Added license notes to all source code files.

TextureDDS.cpp

@@ -1,3 +1,12 @@
+/*
+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 "TextureDDS.h"
 
 void DxtcReadColors(const GLubyte *Data, Color8888 *result)