added some debug printouts
    some changes in ndbcluster_init to make start of mysqld first work


ndb/include/mgmcommon/ConfigRetriever.hpp:
  removed init on ConfigRetriever
ndb/src/common/mgmcommon/ConfigRetriever.cpp:
  removed init on ConfigRetriever
  added some debug printouts
ndb/src/kernel/vm/Configuration.cpp:
  removed init on ConfigRetriever
ndb/src/ndbapi/ndb_cluster_connection.cpp:
  removed init on ConfigRetriever
  added sleep in retry
sql/ha_ndbcluster.cc:
  some changes in ndbcluster_init to make start of mysqld first work