(re)impl. simple-read (read that releases lock just before LQHKEYCONF)
  use simple-read for blobs


storage/ndb/include/kernel/signaldata/TcKeyConf.hpp:
  rename bit
storage/ndb/include/ndbapi/NdbOperation.hpp:
  add new lock-mode
storage/ndb/src/common/debugger/signaldata/TcKeyConf.cpp:
  rename bit
storage/ndb/src/kernel/blocks/dblqh/Dblqh.hpp:
  remove aggregate
storage/ndb/src/kernel/blocks/dblqh/DblqhMain.cpp:
  impl. simple-read = normal read + release lock just before LQHKEYCONF
storage/ndb/src/kernel/blocks/dbtc/Dbtc.hpp:
  impl. simple-read = normal read + release lock just before LQHKEYCONF
storage/ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  impl. simple-read = normal read + release lock just before LQHKEYCONF
storage/ndb/src/ndbapi/NdbBlob.cpp:
  use simple read for blobs
storage/ndb/src/ndbapi/NdbIndexOperation.cpp:
  no simple-read for ui (yet)
storage/ndb/src/ndbapi/NdbOperationDefine.cpp:
  impl. simple-read
storage/ndb/src/ndbapi/NdbOperationExec.cpp:
  impl. simple-read
storage/ndb/src/ndbapi/NdbReceiver.cpp:
  impl. simple-read
storage/ndb/src/ndbapi/NdbScanOperation.cpp:
  no simple-read for scan (yet)
storage/ndb/src/ndbapi/NdbTransaction.cpp:
  rename bit
storage/ndb/test/ndbapi/testBasic.cpp:
  add testcase for simlpe-read
storage/ndb/test/run-test/daily-basic-tests.txt:
  add testcase
storage/ndb/test/src/HugoOperations.cpp:
  add simple-read