Merge branch 'bug/tombstone-not-available-for-dataset' into 'develop'

hyrax/app/assets/stylesheets/rdms.scss

hyrax/app/controllers/hyrax/crc_datasets_controller.rb

hyrax/app/controllers/hyrax/datasets_controller.rb

hyrax/app/controllers/hyrax/tombstones_controller.rb

hyrax/app/helpers/hyrax_helper.rb

hyrax/app/models/user.rb

hyrax/app/views/hyrax/base/_show_actions.html.erb

hyrax/app/views/hyrax/crc_datasets/_title.html.erb

hyrax/app/views/hyrax/crc_datasets/_work_actions.html.erb

hyrax/app/views/hyrax/datasets/_work_title.html.erb

hyrax/app/views/hyrax/my/works/_facets.html.erb

hyrax/app/views/shared/tombstone.html.erb

hyrax/config/locales/hyrax.en.yml