Added calls to new stat method of db inside of kvdictionary.  more tests pass now.
CR changes, including error handling and initialization of new stats struct usage.
compilation fix
TokuFT: fix setCustomOption for unit tests
Merge remote-tracking branch 'refs/remotes/esmet/kv_record_store_tests' into kv_dictionary

Conflicts:
	src/mongo/db/storage/tokuft/tokuft_dictionary.cpp