mysql-test/r/ndb_autodiscover.result:
  changes ndbd error code to mysqld error code when no cluster connection
sql/ha_ndbcluster.cc:
  map 4009 error code to mysql not connected error
sql/handler.cc:
  define return codes to ha_table_exists_in_engine to something useful
    NOTE: in 5.1 this should call a handlerton method, not horrible ifdef ndb stuff
sql/sql_table.cc:
  clearly define what happens on create table if exits/not exists/not connected to engine