debian/copyright: Added some information for making clear that Coraid is the real copyright holder.

debian/copyright

@@ -3,9 +3,9 @@ Sat, 23 Apr 2005 03:39:56 +0200.
 
 It was downloaded from http://aoetools.sf.net/
 
-Upstream Author: Ed L Cashin <ecashin@coraid.com>
+Upstream Author: Ed L. Cashin <ecashin@coraid.com>
 
-Copyright: (C) 2005 by Ed Cashin
+Copyright: (C) 2007 by Coraid, Inc., Ed Cashin and Erik Quanstrom.
 
 License: