droping trigger on InnoDB table".

Deadlock occured in cases when we were trying to create two triggers for
the same InnoDB table concurrently and both threads were able to reach
close_cached_table() simultaneously. Bugfix implements new approach to
table locking and table cache invalidation during creation/dropping
of trigger.

No testcase is supplied since bug was repeatable only under high concurrency.

into  mysql.com:/home/cps/mysql/trees/mysql-5.0

  allow select into outfile from I_S tables
  it is enough to add FILE_ACL for I_S tables only to 'check_table_access' function
  as we use 'any_db' for 'check_access' function in places where FILE_ACL is required

into mysql.com:/home/psergey/mysql-5.0-bug13484

  Corrected platform name output
Services.cpp:
  Dont print null address (back port from 5.0)

  Reintroduced --machine
  Better sh compatibility, "for i ; do" is not portable

into  mysql.com:/home/dellis/mysqlab/bk/mysql-5.0

into  mysql.com:/home/dellis/mysqlab/bk/mysql-4.1

into  ua141d10.elisa.omakaista.fi:/home/my/bk/mysql-5.0

Fixed documentation for findopt().
Cleaned code a bit.

(bug#13791 - mysqld crashes at startup in TC_LOG_MMAP::open)

  Replaced --machine with --platform
  General code cleanup

into mysql.com:/home/gluh/MySQL/Bugs/4.1.13605

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

  Wrong variable.

  Let pthread_mutex_init() macro return 0 on Windows
mysql_priv.h:
  Return type is to be 'my_bool' for 'opt_enable_shared_memory'

into serg.mylan:/usr/home/serg/Abk/mysql-5.0

into serg.mylan:/usr/home/serg/Abk/mysql-5.0

into serg.mylan:/usr/home/serg/Abk/mysql-5.0

  fixed CHECKSUM TABLE to be independent from the first 'deleted' bit in the null bitmask (undefined in the InnoDB)
  bug#13710

into  mysql.com:/home/jimw/my/mysql-5.0-clean

server error messages file. (Bug #13071)

into  mysql.com:/usr/home/bar/mysql-4.1.b12476

  wrong variable.

into  mysql.com:/usr/home/bar/mysql-4.1.b13046

into serg.mylan:/usr/home/serg/Abk/mysql-5.0

into serg.mylan:/usr/home/serg/Abk/mysql-5.0

  somehow it didn't get into the previous changeset