This also should fix 17493 and 17346, and probably 16397 (not tested).
WL#1034 (Internal CRON)
(post-review commit)

into  shellback.(none):/home/msvensson/mysql/bug17574/my51-bug17574

into  mysql.com:/usr/local/home/marty/MySQL/mysql-5.1-new

into  mysql.com:/usr/local/home/marty/MySQL/mysql-5.1-new

into  shellback.(none):/home/msvensson/mysql/bug17574/my51-bug17574

into  mysql.com:/home/bk/w3171-mysql-5.1-new

  Removed error on seeing table map event when slave is in SBR mode
  and switching temporarily to RBR mode to replicate the rows.

into  linux.site:/home/reggie/work/mysql-5.1

into mysql.com:/Users/kent/mysql/bk/mysql-5.1-new

into serg.mylan:/usr/home/serg/Abk/mysql-5.1

into  shellback.(none):/home/msvensson/mysql/bug17574/my51-bug17574

 - Update for 5.1

into  shellback.(none):/home/msvensson/mysql/bug17574/my51-bug17574

into serg.mylan:/usr/home/serg/Abk/mysql-5.1

  Changed product name from "Community Edition" to "Community Server", bug#17970

into mysql.com:/Users/kent/mysql/bk/mysql-5.1-new

into mysql.com:/Users/kent/mysql/bk/mysql-5.1-new

into  mysql.com:/home/bkroot/mysql-5.1-new

into  mysql.com:/home/bk/b16228-mysql-5.1-new

into  mysql.com:/home/bk/b16228-mysql-5.1-new

  Transaction aborted on slave should be retries. The OPTION_BEGIN
  bit was cleared prematurely. Removed dependence of code on value
  of OPTION_BEGIN bit when executing retries.

into mysql.com:/Users/kent/mysql/bk/mysql-5.1-new

into mysql.com:/home/gluh/MySQL/Merge/5.1-new

  NULL value handling

into  poseidon.ndb.mysql.com:/home/tomas/mysql-5.1-new

- free ndb shares at server shutdown
- free_table_share at free of ndb_share

into  mysql.com:/usr/home/bar/mysql-5.1-new.b17142

upgrade.result, upgrade.test:
  Adding test case.
table.cc:
  Don't try to open a table with old-formatted name,
  if the table name contains "@" character.
  This is to avoid mixing two different names to each other.
  Thanks Monty for suggesting this fix.

into  mysql.com:/home/bk/fix-mysql-5.1-new

  Some storage engines does not set the filler bits, so we set them
  before calling the record-reading functions.

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0

Minor cleanup from Mikael's review