ndb/src/kernel/vm/DLHashTable2.hpp:
  add isEmpty for use in DICT
ndb/test/include/NDBT_Tables.hpp:
  getIndexes - return index cols of standard test table
ndb/test/src/NDBT_Tables.cpp:
  getIndexes - return index cols of standard test table
ndb/test/ndbapi/testDict.cpp:
  bug#21017: index create/drop during NR
ndb/include/kernel/signaldata/CreateIndx.hpp:
  add 711
ndb/include/kernel/signaldata/DropIndx.hpp:
  add 711
ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
  block index create/drop during NR.
  fix 2 ndbrequires by checking exact schema op types
ndb/src/kernel/blocks/dbdict/Dbdict.hpp:
  block index create/drop during NR.
  fix 2 ndbrequires by checking exact schema op types