Fixed copyrights on TIPC code

- corporate copyright statements sit in AUTHORS file

AUTHORS

@@ -6,6 +6,7 @@ Copyright (c) 2009-2011 250bpm s.r.o.
 Copyright (c) 2010-2011 Miru Limited
 Copyright (c) 2011 VMware, Inc.
 Copyright (c) 2012 Spotify AB
+Copyright (c) 2013 Ericsson AB
 
 Individual Contributors
 =======================

src/tipc_address.cpp

 /*
-    Copyright (c) 2013 Ericsson AB
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 

src/tipc_address.hpp

 /*
-    Copyright (c) 2013 Ericsson AB
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 

src/tipc_connecter.cpp

 /*
-    Copyright (c) 2013 Ericsson AB
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 

src/tipc_connecter.hpp

 /*
-    Copyright (c) 2013 Ericsson AB
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 

src/tipc_listener.cpp

  /*
-    Copyright (c) 2013 Ericsson AB
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 

src/tipc_listener.hpp

 /*
-    Copyright (c) 2013 Ericsson AB
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.