Backporting fixes to 5.1 from 6.0.

mysql-test/include/mtr_warnings.sql:
  removing the global rule for deadlock, use per-test intead.
mysql-test/suite/rpl/r/rpl_temporary_errors.result:
  deploying the expected deadlock error suppression in the test.
mysql-test/suite/rpl/t/rpl_temporary_errors.test:
  deploying the expected deadlock error suppression in the test.