Removed deprecated method search_as_hidden_fields
Merge pull request #320 from projecthydra/remove_deprecations

Removed deprecated method search_as_hidden_fields
Route_set was missed on the user index pagination.  Added it so a page not found error does not occur.
Merge pull request #321 from psu-stewardship/users

Route_set was missed on the user index pagination.  Added it so a page n...
adding test that fails alone for rubydora 1.7.2