UCBG-139: Add list and no context handlers to rare flag batch job.
UCBG-139: Add event handler to update rare flag when a collectionobject or taxon record is modified.
UCBG-77: Refactoring of findPlaceByShortId call to use findPlaceByRefName.
NOJIRA: Refactoring of some constants.
NOJIRA: Add checks for soft-deleted records where necessary.