RAZ-1873: Improvement to search index code
Fixing the double "//" in the URL since it throws some app servers off (Jetty)
RAZ-1874: Selecting all files in a folder or section works now much better
RAZ-1838: Within "adding to collection" have a way to add a collection so users don't get confused
small fix for notification by using nirvanix
RAZ-1863: Have additional links (download, embed, etc.) for uploaded renditions also