Added a sleep for 5 seconds when shuting down,
  work around for strange problem with server restarts
mtr_cases.pl:
  Set default time zone as opt to mysqld
mysql-test-run.pl:
  Enabled --mysqld=<flags> to work
  Put some Windows path names into environment,
  to be used in --replace_result
mysql-test-run.sh:
  Make shell script tolerant to Windows change in test cases