- make test node restart test harder


ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Removed debug printout
ndb/test/include/HugoOperations.hpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/include/HugoTransactions.hpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/ndbapi/testBasic.cpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/ndbapi/testNdbApi.cpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/ndbapi/testNodeRestart.cpp:
  Use mixed pkread
  Use rand() no of records
  Use rand() batch size
  Restart node abort (instead of graceful)
ndb/test/ndbapi/testOperations.cpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/ndbapi/testTransactions.cpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/run-test/daily-devel-tests.txt:
  Run mixed pkread tests instead of just LM_Read (readTuple())
ndb/test/src/HugoOperations.cpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)
ndb/test/src/HugoTransactions.cpp:
  Remove multipl pkRead (simple/dirty)... and replace
    with pkRead(LockMode)