ndb/include/ndbapi/NdbIndexScanOperation.hpp:
  renamed set_new_bound to end_of_bound
ndb/src/ndbapi/NdbIndexOperation.cpp:
  remove code for TCINDXREF
ndb/src/ndbapi/NdbScanOperation.cpp:
  renamed methods
ndb/test/ndbapi/testScanPerf.cpp:
  renamed method
sql/ha_ndbcluster.cc:
  renamed method
  add lots of comments