ndb/src/kernel/blocks/dbtc/Dbtc.hpp:
  BUG#4230
ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Only send TCROLLBACKREP when recevied TCKEYREQ with exec_flag set
ndb/src/ndbapi/NdbApiSignal.cpp:
  Fix length of TCROLLBACKREQ
ndb/src/ndbapi/NdbScanOperation.cpp:
  Wait for all TRANSID_AI before sending close scan req
ndb/test/include/HugoOperations.hpp:
  Remove hugo impl. of scan interface
ndb/test/ndbapi/testScan.cpp:
  Removed "non relevant" scan tests
ndb/test/ndbapi/testTimeout.cpp:
  Update to new scan api
ndb/test/ndbapi/testTransactions.cpp:
  tmp remove scan (not in autotest yet anyway) from testTransaction
ndb/test/src/HugoOperations.cpp:
  Remove hugo impl. of scan interface