ndb/src/kernel/blocks/dbtc/Dbtc.hpp:
  Pre book fragments to keep count how many ops need to be continued by 
    api
ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Pre book fragments to keep count how many ops need to be continued by 
    api
  
  Fixes problem with parallelism < fragcount && committed read
ndb/test/ndbapi/testScan.cpp:
  new testcase for scan parallelism
ndb/test/run-test/daily-basic-tests.txt:
  Run new testcase
ndb/test/src/HugoTransactions.cpp:
  Use parallelism parameter