Merge dev3-127.(none):/mnt/mysql/home/ngb/mysql-4.1/mysql-4.1-bug21530

into  dev3-127.(none):/mnt/mysql/home/ngb/mysql-5.0/bug21530


ndb/src/mgmclient/CommandInterpreter.cpp:
  Many methods add the return value that indicates whether the execution of operation succeeds.
  This can make ndb_mgm management client set the exit status on errors.