Use the rake tasks jettywrapper provides to fetch and run hydra-jetty.
Set 'ci' as the default rake task.
Update tests to use recent rspec/capybara versions.

Rename spec/integration => spec/features.
Bump the version of jettywrapper.
bump dor-services to 3.x, and other gem updates
Allow _dt fields to be multivalued (except system_create_date_dt, which
is used as a sort field..)
Move CatalogController#update_users onto a new AdminController
Refactor the get_fedora_object (by PID or beacuse we got an object)
Replace the deprecated enforce_access_controls with cancan authorize!
methods
Instead of a custom signin controller, provide a local override to
Devise::SessionController
use devise's authenticate_user! filter to force users to authenticate on
all protected controllers.
Update the tests to use Warden's test helpers
Instead of pulling in all of Blacklight's routes, selectively import the
ones we are using (e.g. catalog#index)
Refactor catalog#index logic for clarity.
Refactor the hydrus_items#index collection-fetching logic, and leave
setup_attributes for just fetching Hydrus::Items.
remove not-very-good test for get_attributes
Update hydrus to use hydra-head 5.x and Blacklight 4
Fix DRY violation in SolrQueryable#issue_solr_query
Move custom dashboard logic into catalog#home instead of overloading
catalog#index
apply gated discovery in a single method, instead of relying on gated
discovery methods to manipulate data set elsewhere.