Merge trift2.:/M50/tmp_merge

into  trift2.:/M51/merge-5.1


configure.in:
  Auto merged
mysql-test/t/federated.test:
  Auto merged
sql/ha_federated.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged
mysql-test/r/federated.result:
  SCCS merged
sql/ha_federated.h:
  ?
  ?
  Use local.