Fix pthread_mutex_trylock on HPUX (needed for query cache).

Added info about two new Query Cache status variables.

Changed 'send_file_to_server' to use less stack (Fixed replication problem on OSF1).

instead of DO RELEASE_LOCK()

  Add better instructions on how to specify innodb_data_file_path etc.

Portability fixes.
Fixed bug in mysqlbinlog when detecting binary log version

  Cleanup

  Do less statistics calculations for tables
dict0mem.h, row0mysql.c:
  Make calculation of new statistics less frequent, because the statistics in 3.23.44 involves many random disk reads

  Do not automatically calculate new statistics when a temporary table is used by MySQL in a query. The fact that some ORDER BY queries were slow may have been explained by this unnecessary statistics calculation.

Fix compile problem in sql_cache.cc

Fixed shutdown on HPUX.
Fixed bug in query cache.

  Removed a mirror in Netherlands
manual.texi:
  Remove link to outdated mod_log_mysql

horrible bug fixed

into serg.mysql.com:/usr/home/serg/Abk/mysql-4.0

  Add diagnostic code to find out why foreign key constraint creation sometimes fails

  Remove a theoretical overrun in adaptive hash index building

  Eliminate a Purify warning in a multithreaded test: the fields are not protected by a mutex, therefore they can be read uninitialized

into hynda.mysql.fi:/data/my/bk/mysql-4.0-quick-fixes

Added new tests to testsuite.