XNAT-3392 Added unique constraint to the notify element to limit a particular email address to a single occurence in the workflow notification list.
XNAT-3441 Added check for disabled auditable objects in the findBy* methods.

Jar commit corresponds to changeset https://bitbucket.org/nrg/nrg_framework/commits/ae6bb3eeff8142431592d2d02b107bc08e41982f.
XNAT-3429 Fixed typos.
Changed wording on user group edit page to be more consistent.
Changed more wording on user group edit page to be more consistent.
Fix related to XNAT-3195: Subject LABEL now displays instead of ID on "Add Experiment" page. (via JavaScript - how is this retrieved through Velocity?)