Added clarification about GPL v2, changed to Sun Microsystems, Inc.

README

 This is a release of MySQL, a dual-license SQL database server.
-MySQL is brought to you by the MySQL team at MySQL AB.
+MySQL is brought to you by the MySQL team at Sun Microsystems, Inc.
 
 License information can be found in these files:
 - For GPL (free) distributions, see the COPYING file and
   the EXCEPTIONS-CLIENT file.
 - For commercial distributions, see the LICENSE.mysql file.
 
+GPLv2 Disclaimer
+For the avoidance of doubt, except that if any license choice
+other than GPL or LGPL is available it will apply instead, Sun
+elects to use only the General Public License version 2 (GPLv2)
+at this time for any software where a choice of GPL license versions
+is made available with the language indicating that GPLv2 or any
+later version may be used, or where a choice of which version of
+the GPL is applied is otherwise unspecified.
 
 For further information about MySQL or additional documentation, see:
 - The latest information about MySQL: http://www.mysql.com