added command CONNECT in management client
    added some verbose printouts
    removed prompt printout on !isatty(0)


ndb/src/mgmapi/mgmapi.cpp:
  improved verbose printouts on connecting to management server
ndb/src/mgmclient/CommandInterpreter.cpp:
  cleaned up code a bit
  added command CONNECT in management client
  added some verbose printouts
ndb/src/mgmclient/main.cpp:
  removed prompt printout on !isatty(0)
ndb/src/mgmclient/ndb_mgmclient.hpp:
  added verbose opotion