4.0->4.1 merge (mysqltest needs to be linked with a C++ compiler)

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

into bar.mysql.r18.ru:/usr/home/bar/mysql-4.1

  Character set variables test

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

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

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

  Multiple tablespaces for InnoDB
sql_table.cc:
  Tell explicitly that InnoDB should retrieve all columns in CHECKSUM TABLE
sql_update.cc, sql_select.cc, my_base.h:
  More descriptive flag name HA_EXTRA_RETRIEVE_ALL_COLS

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

into narttu.mysql.fi:/my/mysql-4.1

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

into narttu.mysql.fi:/my/mysql-4.1

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

Remove dependency of charsets (in my_init) to get smaller binaries when charsets are not used
Simple code cleanup

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

into narttu.mysql.fi:/my/mysql-4.1

into deer.(none):/home/hf/work/mysql-4.1.stmt

fix derived inside subqueries

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

into deer.(none):/home/hf/work/mysql-4.1.stmt

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