change 10 to a #define'd constant

Revert main parts of patch for online index builds. Should be done differently
Added support for %lx in my_snprintf()

into mysql.com:/home/my/mysql-4.1

This gives the handler more optimization possiblities and is needed for NDB cluster
Fixed not-initialized memory error detected by valgrind

Cleanup/optimizations of structures and key usage to make it easier to move key-range-search to handler

fixed IN subselect with basic constant left expression
SQLCOM_CREATE_TABLE, SQLCOM_UPDATE_MULTI, SQLCOM_REPLACE_SELECT, SQLCOM_INSERT_SELECT, QLCOM_DELETE_MULTI fixed to be compatible with PS (BUG#3398, BUG#3406)
fixed multiupdate privelege check (BUG#3408)
fixed multiupdate tables check (BUG#3411)
unchecked commands now is rejected by PS protocol to avoid serever crash
fixed cleunup procedure to be compatible sith DO/SET (BUG#3393)

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

or if not given, it will try to use the one in datadir, if possible, otherwise
log file will be disabled.

HA_EXTRA_WRITE_CACHE now part of start_bulk_insert()
test cleanups

into sanja.is.com.ua:/home/bell/mysql/bk/work-ps3-4.1

into eagle.mysql.r18.ru:/home/vva/work/BUG_3342/mysql-4.1

  added install

Corrected minor problems of the preceding changeset 1.1705.

Fixed problems with group_concat() and HAVING
Updated crash-me values

::reset(), HA_FAST_KEY_READ, disable_indexes(), enable_indexes(), start_bulk_insert(), end_bulk_insert()
Field::val_str simplification, comment

into mysql.com:/home/my/mysql-4.1

bug #3342 "SHOW CREATE DATABASE seems to require DROP privilege"
(now it require only SELECT privilege on database)

if doesn't exists or is not writable, then /var/log/mysqld_multi.log, if does not exists
or is not writable, then /tmp/mysqld_multi.log, but only in case the file does not yet
exists in /tmp. Otherwise log will be disabled, unless user explicitely sets it with an
option.

into mysql.com:/home/my/mysql-4.1

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

for Bug #2385 CREATE TABLE LIKE lacks locking on source and destination table

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

into serg.mylan:/usr/home/serg/Abk/mysql-4.1

Here is 2nd version.
'reduce/reduce conflicts' issue is fixed

Don't add -debug to server version if MYSQL_SERVER_PREFIX is used
Indentation cleanups