It's now passed as args[0]. This fix allowed to resuse a lot of code.

into mysql.r18.ru:/usr/home/ram/work/4.1

into teton.kitebird.com:/home/paul/mysql-4.1

into myvenu.com:/home/venu/work/sql/dev-4.1

if some of the arguments is STRING_RESULT the STRING_RESULT
else if some of the arguments is REAL_RESULT then REAL_RESULT
else INT_RESULT 

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

into myvenu.com:/home/venu/work/sql/dev-4.1

Added PURGE BINARY LOGS as synonym for PURGE MASTER LOGS.
Removed PURGE LOGS (now PURGE MASTER LOGS).
Added SHOW BDB LOGS as synonym for SHOW LOGS.
Note: tests key_cache.test hanged, rpl_log_pos.test, rpl_rotate_logs.test failed for me.
For the second and third one I guess this will disappear after merging 4.0.

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

  Data was not converted when ALTER TABLE CHAGE changed a field character set.

into teton.kitebird.com:/home/paul/mysql-4.1

   the server error messages had been modified in errmsg.txt

into mashka.mysql.fi:/home/my/mysql-4.1

into ice.snake.net:/Users/paul/mysql-4.1

into mashka.mysql.fi:/home/my/mysql-4.1

into gluh.mysql.r18.ru:/home/gluh/mysql-4.1.DTFUNC

into myvenu.com:/home/venu/work/sql/dev-4.1

into gluh.mysql.r18.ru:/home/gluh/mysql-4.1.DTFUNC

not ending with period into single sentence.)

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

(now it return correct results. Test was commited before, but it is not pushed,
BUG# is not registered, because bug was introduced after release)

Added framework to create/drop and manager buffers for multiple key caches

fixed test func_gconcat to be repeatable independent of presend tables and avoid removing user tables

initialization of item_thd moved to constructor (in any case we need thd in constructor)
initialization of group_concat_max_len to constructor to avoid incorrect length reporting (BUG#757)
removed Item_func_group_concat::fix_length_and_dec() because item have its own fix_fields and will not have inherited items

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

into myvenu.com:/home/venu/work/sql/dev-4.1