Added pseudo column fragment memory
    changed ndb_get_table_statistics to take struct 
    and read row_size and fragment_memory


ndb/include/kernel/AttributeHeader.hpp:
  Added pseudo column fragment memory
ndb/include/ndbapi/NdbDictionary.hpp:
  Added pseudo column fragment memory
ndb/src/kernel/blocks/dbtup/DbtupRoutines.cpp:
  Added pseudo column fragment memory
ndb/src/ndbapi/NdbDictionary.cpp:
  Added pseudo column fragment memory
ndb/src/ndbapi/NdbDictionaryImpl.cpp:
  Added pseudo column fragment memory
sql/ha_ndbcluster.cc:
  changed ndb_get_table_statistics to take struct 
  and read row_size and fragment_memory
sql/ha_ndbcluster.h:
  partially implemented update_table_comment