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
ARGO-382: todo comment indicating possible solution to making rights_list method parse rightsMetadata more robustly
ARGO-383: notes for how to implement deployment improvements (prompt for branch or tag to be deployed, etc)
Merge remote-tracking branch 'origin/indexy' into develop