ARGO-308: add apo-register-error to styles.  improve apo registration form validation UI: show errors in red, place them below field help notes for managers and viewers fields, more informative messaging.
ARGO: naming improvement for error message elements
ARGO-279: upgrade dor-services to get the updated version of the workflow status indexing fix
ARGO-335: rewrite last_accessioned_version to ask SDR (via a REST call) for the current version of the object
ARGO-380:  make registrationWF the default workflow selection in the following places: apo registration, apo edit, add workflow to individual object, add workflow to objects in bulk.  create centralized method for returning default workflow selection instead of specifying it inline everywhere.  update apo creation unit test to choose the new default workflow (since the old one might eventually go away).
ARGO-381: when editing an APO, default workflow form field should default to the value currently specified on the APO
bump version for release
Test data for symphony records
Two new facets: Source and Empties

Source essentially groups has_model_s values.
Empties is to be expanded with additional targets of interest.

See https://github.com/projectblacklight/blacklight/issues/995 for why
the empty values cannot (currently) go in the same group as the facet
values.
Remove period from 2 labels
Change tests, labels and other dialogs to remove period from "Admin."
Try a basic .travis.yml file
Update debugger version, but remove unused pry require