mysql-test/lib/mtr_cases.pl:
  updated the code for combination
mysql-test/mysql-test-run.pl:
  added soft switching of binlog format
mysql-test/lib/mtr_misc.pl:
  added new sub mtr_diff_opts
mysql-test/suite/rpl/r/rpl_invoked_features.result:
  updated result
mysql-test/suite/rpl/t/rpl_invoked_features.test:
  updated test
mysql-test/suite/rpl/t/rpl_misc_functions.test:
  updated test
mysql-test/suite/rpl/t/rpl_session_var.test:
  updated test