Merge branch 'bug_fix/375-file-not-visible-in-viewer' into 'develop'

Fixes for file not visible in viewer

See merge request !291

hyrax/config/initializers/riiif.rb

@@ -31,7 +31,7 @@ ActiveSupport::Reloader.to_prepare do
     
     file_set = FileSet.find(fs_id)
     bucket_name = s3.sanitise_name(file_set.parent_works.first.id)
-    file_key = "/files/#{file_set.title.first}"
+    file_key = file_set.title.first
     s3.presigned_url_for_download(bucket_name, file_key)
   end
 end