Move copying of global variables into thd.variables into plugin_thdvar_init().
  plugin_thdvar_init() may be called multiple times when THD::change_user() is called.
  This fixes a plugin ref-count leak when running the test mysql_client_test

Fix tests when InnoDB is not built-in. Innodb options would cause
mysqld to abort with an error indicating that the option is unknown.
Fix tests on Windows where mysql-test-run.pl was unable to probe
mysqld for version and variables information, caused by output
being redirected to a log file instead.

  Fix compiler warnings,
  Fix help output - this fixes im test failures.
  Fix incomplete change of SET plugin vars to ulonglong.
  Allow ER() to work without crashing when errmsg.sys has not been loaded.

into  xiphis.org:/home/antony/work2/mysql-5.1-engines.fixme

  Change SET variables to be ulonglong type (64bit)

into  chilla.local:/home/mydev/mysql-5.1-wl2936-two

Avoid compiler warnings

scripts/mysql_install_db.sh: don't fail if --skip-XXX is not recognized

into  sergbook.mysql.com:/usr/home/serg/Abk/mysql-5.1-wl2936

  VC++ does not like compile_time_assert() macro

into  sergbook.mysql.com:/usr/home/serg/Abk/mysql-5.1-wl2936

  fix compile error when DBUG_OFF

into  chilla.local:/home/mydev/mysql-5.1-wl2936-two

into  chilla.local:/home/mydev/mysql-5.1-wl2936

Changed back (type != OPT_SESSION) to (type == OPT_GLOBAL)

into  chilla.local:/home/mydev/mysql-5.1-wl2936-two

    provide the writable datadir for mysqld --help (for lower_case test)
sql/log.h, sql/mysqld.cc
    make default binlog_format value to be 0 (for a hack of using
    GET_STR for enum to continue to work)

into  chilla.local:/home/mydev/mysql-5.1-wl2936-two

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.1-engines

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.1-engines

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.0-engines

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.0-engines

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-4.1-engines

Ingo's patch:
WL#2936 - Falcon & MySQL plugin interface: server variables
Added initialization for plugin string variables with their
default values.
Added deallocation of string values before a plugin and its
variables is deleted.
Added examples to plugin_example

into  trift-lap.fambruehe:/MySQL/M51/push-5.1

into  trift-lap.fambruehe:/MySQL/M50/push-5.0

into  trift-lap.fambruehe:/MySQL/M51/push-5.1

into  trift-lap.fambruehe:/MySQL/M50/push-5.0

into  trift-lap.fambruehe:/MySQL/M41/push-4.1

into  trift-lap.fambruehe:/MySQL/M50/push-5.0

into  trift-lap.fambruehe:/MySQL/M51/push-5.1

into  pippilotta.erinye.com:/shared/home/df/mysql/build/mysql-5.1-build