Retrieving refer parameter from get or post
Identifying folders with list only permissions with a locked icon, no links to content, and links for gaining access
Merge branch 'review_interface' of https://github.com/UNC-Libraries/Carolina-Digital-Repository into review_interface
Fixed bug preventing DeleteObject solr action from working.  Catching null groups case when setting groupsString in filter.  Fixed a concurrency issue that could cause a commit to execute before all updates from the parent operation completed, simplified the blocking structure in the process.