Cleanup the sideeffects from most of the  testcases with sideeffects.


mysql-test/mysql-test-run.pl:
  Add option "check-testcases" to mysql-test-run.pl
  Will execute "include/check-testcase.test" once before each tescase and record the output into "var/tmp/check-testcase.result"
  After the teastcase it will run again and this time compare the output with previously recorded file.
mysql-test/r/analyze.result:
  Drop table t1 at end of test
mysql-test/r/create_select_tmp.result:
  Drop table t1 at end of test
mysql-test/r/ctype_cp932.result:
  Drop table t1 at end of test
mysql-test/r/ctype_recoding.result:
  Drop table t1 at end of test
mysql-test/r/grant2.result:
  Drop user mysqltest_2 and mysqltest_A@'%'
mysql-test/r/join_outer.result:
  Drop view v1 to cleanup
mysql-test/r/ps_1general.result:
  Drop table t1 at end of test
mysql-test/r/query_cache.result:
  Drop function "f1"
mysql-test/r/read_only.result:
  Reset the "read_only" flag
mysql-test/r/rpl000001.result:
  Remove user "blafasel2"
mysql-test/r/rpl000017.result:
  Remove user "replicate"
mysql-test/r/rpl_failed_optimize.result:
  Drop table t1 to cleanup
mysql-test/r/rpl_flush_tables.result:
  Drop tables t3, t4, t5
mysql-test/r/rpl_ignore_revoke.result:
  Delete user "user_foo"
mysql-test/r/rpl_insert_id.result:
  Drop table t1 to cleanup
mysql-test/r/rpl_loaddata.result:
  Drop tyable t1 to cleanup
mysql-test/r/rpl_loaddata_rule_m.result:
  Drop tyable t1 to cleanup
mysql-test/r/rpl_loaddata_rule_s.result:
  Drop tyable t1 to cleanup
mysql-test/r/rpl_misc_functions.result:
  Drop tyable t1 to cleanup
mysql-test/r/rpl_multi_update3.result:
  Drop tyable t1 and t2 to cleanup
mysql-test/r/rpl_replicate_do.result:
  Drop tyable t1 to cleanup
mysql-test/r/rpl_skip_error.result:
  Drop tyable t1 to cleanup
mysql-test/r/rpl_slave_status.result:
  Drop tyable t1 to cleanup
mysql-test/r/sp-prelocking.result:
  Drop view v1 and tables t1, t2, t3 and t4 to cleanup
mysql-test/r/sp-security.result:
  Delete users to cleanup
  Delete remaining traces in tables_priv and procs_priv
mysql-test/r/subselect_innodb.result:
  Drop procedure p1 to cleanup
mysql-test/r/trigger-compat.result:
  Drop trigger wl2818_trg1 and wl2818_trg2.
  Drop table t1, t2
  Drop database mysqltest_db1
  And the users "mysqltest_dfn@localhost" and "mysqltest_inv@localhost"
mysql-test/r/type_bit.result:
  Drop tables t1 and t2 to cleanup
mysql-test/r/variables.result:
  Set GLOBAL max_join_size to 10 as it originally was in variables-master.opt
mysql-test/r/view_grant.result:
  Dop user "test@localhost" to cleanup
mysql-test/t/analyze.test:
  Drop table t1 to cleanup
mysql-test/t/create_select_tmp.test:
  Drop table t1 to cleanup
mysql-test/t/ctype_cp932.test:
  Drop table t1 to cleanup
mysql-test/t/ctype_recoding.test:
  Drop table t1 to cleanup
mysql-test/t/fulltext_var.test:
  Restore the original ft_boolean_syntax
mysql-test/t/grant2.test:
  Drop users "mysqltest_2" and "mysqltest_A@'%'" to cleanup
mysql-test/t/innodb_cache.test:
  Reset query_cache_size to original value
mysql-test/t/join_outer.test:
  Drop view v1 to cleanup
mysql-test/t/ps_1general.test:
  Drop table t1 to cleanup
mysql-test/t/query_cache.test:
  Drop function "f1" to cleanup
mysql-test/t/read_only.test:
  Reset the readonly flag
mysql-test/t/rpl000001.test:
  Delete user "blafasel2" to cleanup
mysql-test/t/rpl000017.test:
  Delete user "replicate" to cleanup
mysql-test/t/rpl_failed_optimize.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_flush_tables.test:
  Droip table t3, t4 and t5 to cleanup
mysql-test/t/rpl_ignore_revoke.test:
  Delet user "user_foo" to cleanup
mysql-test/t/rpl_insert_id.test:
  drop table t1 to cleanup
mysql-test/t/rpl_loaddata.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_loaddata_rule_m.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_loaddata_rule_s.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_misc_functions.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_multi_update3.test:
  Drop table t1 and t2 to cleanup
mysql-test/t/rpl_replicate_do.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_skip_error.test:
  Drop table t1 to cleanup
mysql-test/t/rpl_slave_status.test:
  Drop table t1 to cleanup
mysql-test/t/sp-prelocking.test:
  Drop table t1, t2 t3 and t4 to cleanup
  Drop view v1
mysql-test/t/sp-security.test:
  Delete  test users from mysql.user, mysql.db, mysql.procs_priv and mysql.tables_priv
  Drop table t1 to cleanup
mysql-test/t/subselect_innodb.test:
  Drop procedure p1 to cleanup
mysql-test/t/trigger-compat.test:
  Drop trigger wl2818_trg1 and wl2818_trg2 to cleanup
  Drop table t1, t2
  Drop users
  drop database mysqltest_db1
mysql-test/t/type_bit.test:
  drop table t1 and t2 to cleanup
mysql-test/t/variables-master.opt:
  Increase max_join_size to 100.
mysql-test/t/variables.test:
  Set max_join_size to 10, which was the original value in variables-master.opt
mysql-test/t/view_grant.test:
  Drop the user "test@localhost"
mysql-test/include/check-testcase.test:
  New BitKeeper file ``mysql-test/include/check-testcase.test''