fixes. Still to do: 
-  deploy my_strtoll10 in limbysql.c
- add mysql_options option to switch MYSQL_DATA_TRUNCATED on and off.

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

into hundin.mysql.fi:/home/jan/new/mysql-5.0

  don't make non-debug builds fail the testsuite

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

Added comments (from code review on pull)

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

into gluh.mysql.r18.ru:/home/gluh/MySQL/mysql-5.0.n

into hundin.mysql.fi:/home/marko/j/mysql-5.0

operations.

mysqldump skips information_schema db
'use' now can use information_schema db
changed value of column 'Null' to 'NO' if column is not nullable

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

  explicit setting of reconnect (no behaviour change)

into mysql.com:/home/mysql_src/mysql-5.0-clean

into mysql.com:/home/mysql_src/mysql-5.0-clean

into hundin.mysql.fi:/home/marko/j/mysql-5.0

All our programs which use mysql_real_connect() and mysql_connect() are updated accordingly, though I have deliberately
made mysqlimport not reconnect anymore (already true for mysqldump >= 4.1.8).
All Connector devs have been warned about the change I'm doing here - which was agreed with Monty,
and fixes BUG#2555.

memory heaps.  This changeset plugs also a few memory leaks that
were introduced with the compact InnoDB table format.

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

into mysql.com:/home/cps/mysql/devel/im/mysql-5.0-im

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

into mysql.com:/home/mydev/mysql-5.0-5000

When the joins were not cleaned up before the tables
were closed, a JOIN_TAB still held a pointer to a
meanwhile closed table and tried to close it again
during item cleanup...