- Update EXPLAIN results after table elimination
- mysqlslap now specifies 'Engine=' in CREATE TABLE instead of using 
  SET storage_engine=...
- For some reason, mysqltest logs "connect" command differently when PBXT
  is the default storage engine. This is probably a bug in mysqltest which
  we can't be bothered to investigate at the moment, so add --replace

mysql-test/suite/pbxt/r/connect.result:
  Fix pbxt test suite failures:
  - For some reason, mysqltest logs "connect" command differently when PBXT
    is the default storage engine. This is probably a bug in mysqltest which
    we can't be bothered to investigate at the moment, so add --replace
mysql-test/suite/pbxt/r/mysqlslap.result:
  Fix pbxt test suite failures:
  - mysqlslap now specifies 'Engine=' in CREATE TABLE instead of using 
    SET storage_engine=...
mysql-test/suite/pbxt/r/ps_11bugs.result:
  Fix pbxt test suite failures:
  - Update EXPLAIN results after table elimination
mysql-test/suite/pbxt/r/select.result:
  Fix pbxt test suite failures:
  - Update EXPLAIN results after table elimination
mysql-test/suite/pbxt/r/union.result:
  Fix pbxt test suite failures:
  - Update EXPLAIN results after table elimination
mysql-test/suite/pbxt/t/connect.test:
  Fix pbxt test suite failures:
  - For some reason, mysqltest logs "connect" command differently when PBXT
    is the default storage engine. This is probably a bug in mysqltest which
    we can't be bothered to investigate at the moment, so add --replace