mysql security update

[5.1.52-1.1]

• Update to MySQL 5.1.52, for various fixes described at
  http://dev.mysql.com/doc/refman/5.1/en/news-5-1-52.html
  including numerous small security issues
  Resolves: #652553
• Sync with current Fedora package; this includes:
• Duplicate COPYING and EXCEPTIONS-CLIENT in -libs and -embedded subpackages,
  to ensure they are available when any subset of mysql RPMs are installed,
  per revised packaging guidelines
• Allow init script’s STARTTIMEOUT/STOPTIMEOUT to be overridden from sysconfig