add explicit carrierwave ORM loading
Ensure users are logged in when accessing protected routes, and rescue from an authz failure gracefully; fixes #97
Merge pull request #100 from sul-dlss/graceful-authz-failures

Graceful authorization failures
Merge pull request #102 from sul-dlss/delete_search

Delete saved search. Fixes #74
Update saved searches to show on the landing page. Fixes #72