Updated more DDL statements to cause implicit commit.


mysql-test/r/rpl_ddl.result:
  updated results to test for implicit commit for:
  CREATE OR REPLACE VIEW
  ALTER VIEW
  DROP VIEW
  CREATE TRIGGER
  DROP TRIGGER
  CREATE USER
  RENAME USER
  DROP USER
mysql-test/t/rpl_ddl.test:
  updated results to test for implicit commit for:
  CREATE OR REPLACE VIEW
  ALTER VIEW
  DROP VIEW
  CREATE TRIGGER
  DROP TRIGGER
  CREATE USER
  RENAME USER
  DROP USER
sql/sql_parse.cc:
  added implicit commit for:
  CREATE OR REPLACE VIEW
  ALTER VIEW
  DROP VIEW
  CREATE TRIGGER
  DROP TRIGGER
  CREATE USER
  RENAME USER
  DROP USER