ndb/include/kernel/AttributeDescriptor.hpp:
  removed unused
ndb/include/kernel/ndb_limits.h:
  removed unused
ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
  Differentiate between nullable columns and null fields
    TUP wants sum all other want #null cols
ndb/src/kernel/blocks/dbdict/Dbdict.hpp:
  Differentiate between nullable columns and null fields
    TUP wants sum all other want #null cols
ndb/src/kernel/blocks/dbtc/Dbtc.hpp:
  Handle distribution key and collation in same subroutine
ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  Handle distribution key and collation in same subroutine
ndb/src/kernel/vm/VMSignal.hpp:
  Increase size of signal->theData to 32k
ndb/test/ndbapi/testPartitioning.cpp:
  better usage