impl support for querying resource usage in ndb api
  to help track down mem leaks


ndb/include/ndbapi/Ndb.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/include/ndbapi/NdbBlob.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/include/ndbapi/NdbConnection.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/include/ndbapi/NdbIndexOperation.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/include/ndbapi/NdbIndexScanOperation.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/include/ndbapi/NdbOperation.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/include/ndbapi/NdbRecAttr.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbApiSignal.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbApiSignal.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbBlob.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbImpl.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbRecAttr.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbUtil.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/NdbUtil.hpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/Ndbif.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/Ndbinit.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/src/ndbapi/Ndblist.cpp:
  Impl. reporting of free list usage
  Put free list into handler class
ndb/tools/restore/Restore.cpp:
  Impl. reporting of free list usage
  Put free list into handler class