debug printouts


mysql-test/ndb/ndbcluster.sh:
  .
ndb/include/mgmcommon/ConfigRetriever.hpp:
  added printout for where configuration is fetched
ndb/src/common/mgmcommon/ConfigRetriever.cpp:
  added printout for where configuration is fetched
ndb/src/kernel/main.cpp:
  added printout for where configuration is fetched
ndb/src/kernel/vm/Configuration.cpp:
  added printout for where configuration is fetched
ndb/src/kernel/vm/Configuration.hpp:
  added printout for where configuration is fetched
ndb/src/ndbapi/Ndb.cpp:
  debug printouts