Use capistrano 3
Update to Rails 3.2.18
Update dor-services
Lock to addressable 2.3.5 until we can update rdf.rb
Use content_for(:head) instead of deprecated extra_head_content
Create our own connection to Solr, instead of using the deprecated Blacklight.solr
use Stanford workgroups to control access to application roles
Remove legacy role management
Add turnout gem for enabling maintenance mode
replace custom error handling with Squash reporting
Use Rails exception_app to render application 404/500 errors