Fix for ctypes on windows
Cleanup max_queries_per_hour


mysql-test/t/dirty_close.test:
  Rename: mysql-test/t/dirty-close.test -> mysql-test/t/dirty_close.test
mysql-test/r/dirty_close.result:
  Rename: mysql-test/r/dirty-close.result -> mysql-test/r/dirty_close.result
Docs/manual.texi:
  Added --user=userid
include/m_ctype.h:
  Fix for ctypes on windows
mysql-test/r/join.result:
  Update join results
sql/mysqld.cc:
  Added --user=userid
sql/sql_parse.cc:
  Cleanup max_queries_per_hour