STYLE: had OpenCFD instead of OpenFOAM in COPYING

COPYING

@@ -3,7 +3,7 @@
  OpenFOAM(R) is Copyright (C) 1991-2010 OpenCFD Ltd.
  Contact: OpenCFD (enquiries@OpenCFD.co.uk)
 
- You may use, distribute and copy the OpenCFD CFD Toolbox under the terms
+ You may use, distribute and copy the OpenFOAM CFD Toolbox under the terms
  of GNU General Public License version 3, which is displayed below, or
  (at your option) any later version.