WIP add multiselect column to search result listing
WIP add multiselect to some Browse lists linked to a Delete button; Allow components to be viewed in both the Resource and Digital Object browse listings too;
Rework /batch_delete endpoint to take an array of uris for any record.  It will then attempt to delete each one by forwarding to their respective endpoint -- checking user permissions at that point... there were a few changes in the uri_resolver and rest.rb to get this working;
Add missing delete spec.. oops
Add batch_delete_controller to handle batch deletes in the frontend -- implemented for archival records initially
Add multi-delete to subjects listing
Add multiselect delete to agents listing
Add multiselect delete to classifications listing; And fix permissions for showing the delete/mutliselect on subject and agents lists;
Fix locales for batch delete archival record messages; Add selenium test for batch deleting accessions;
Merge pull request #515 from hudmol/49501343-multiselect-lists-for-delete

[Delivers #49501343] multiselect lists for delete