Added missing checking of no_keyread

SHOW DATABASES
CREATE TEMPORARY TABLE
LOCK TABLES
REPLICATION SLAVE & REPLICATION CLIENT
SUPER
EXECUTE

All scripts & documentation is updated for this change.
Added better error messages for global privileges 

into sinisa.nasamreza.org:/mnt/hdc/Sinisa/mysql-4.0

Still not able to make a proper test case as this crashes on files 
where key and data pointers are 4 bytes each. Possibly a proper 
test case would require myisampack.

(All commit emails since 4.0.1 checked)
This had to be done now, before the 4.1 tree changes to much, to make it easy to propagate bug fixes to the 4.1 tree.

optimized in some places.

Fixed problem in access rights testing (from last patch)

Added mysql_secure_installation

into mugatu.spaceapes.com:/home/jcole/bk/mysql-4.0

into sanja.is.com.ua:/home/bell/mysql/mysql-4.0

transaction-live memory cleanup moved to ha_commit/ha_rollback
fixed query cache validator to work correctly on systems that allocate unaligned dat

Fixed critical bug on 64 bit systems.
Cleanups

is a GROUP BY a column that is not NOT NULL and ORDER BY is done by
another column.

Even better fix would be to make a separate function for this.

into sanja.is.com.ua:/home/bell/mysql/work-4.0

into hundin.mysql.fi:/my/bk/mysql-4.0

Added missing mutex_unlock to slave replication code.