Limit citations to the first 20 Authors

https://www.pivotaltracker.com/story/show/55209744
Exclude Temporary duplicates from isDatasetOf/Succeeds selections.
Fix for UTF8 issues saving to DB

https://www.pivotaltracker.com/story/show/55869674
Unpublished Buffer Search results display sortable columns for Publication Date and Attachment

https://www.pivotaltracker.com/story/show/55869534