Test if merging from 3.23 to 4.0 succeeds

  Fix bug number 154: GROUP BY and DISTINCT could treat NULL values inequal

 - bumped up version number to 3.23.57 in configure.in

  Fix bug: MySQL could erroneously return Empty set if InnoDB estimated index range size to 0 records though the range was not empty; MySQL also failed to do the next-key locking in the case of an empty index range

into serg.mysql.com:/usr/home/serg/Abk/mysql

  typo fixed

into sinisa.nasamreza.org:/mnt/work/mysql

into mashka.mysql.fi:/home/my/mysql-3.23

Changed that analyse(#) also affects strings

   for the patch) (bug #135)

into sanja.is.com.ua:/home/bell/mysql/work-rand-3.23

into serg.mysql.com:/usr/home/serg/Abk/mysql

into sinisa.nasamreza.org:/mnt/work/mysql

   (it barfs on these with a syntax error)

into sinisa.nasamreza.org:/mnt/work/mysql

into mashka.mysql.fi:/home/my/mysql-3.23

into serg.mysql.com:/usr/home/serg/Abk/mysql

into serg.mysql.com:/usr/home/serg/Abk/mysql

(First one is used)

into narttu.mysql.fi:/my/mysql-3.23

Fixed memory leak when replication restarts in debug mode

into serg.mysql.com:/usr/home/serg/Abk/mysql

  Delete: innobase/stamp-h.in

(This patch is already in 4.0)