wsrep patch 23.5 for MySQL 5.5.23 released

This is an important feature and security release.

Bugfixes:

• merged with upstream MySQL 5.5.23 (security bugs fixed in 5.5.22 and 5.5.23)
• IO cache was not reset on trx cleanup if the writeset was empty
• ALTER TABLE RENAME and row deletion could conflict on slave
• slave applier can fail for exceeded max_allowed_packet size
• clustered index not included in key set
• locking session can deadlock multi-master

New experimental features:

• Runtime consistency check support.
• Hard crash recovery support (global transaction ID can be recovered by running 'mysqld --wsrep-recover')
• MyISAM storage engine support (non-deterministic functions unsupported, use wsrep_replicate_myisam to enable)
• Solaris 11 x86 build support (see http://www.codership.com/wiki/doku.php?id=compile_galera)

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