Reference list disappearing after save and reload

[dsifford]

Related: #413 (comment)

Reported steps:

1. completely left wordpress
2. came back to site and opened dashboard
3. Reference list was empty
4. Imported reference list
5. Opened uncited list
6. Got ABT properties error dialog box
7. closed WP draft post tab
8. Reopened tab because forgot to clear cache
9. Cleared cache of all pages
10. Closed tab
11. Closed chrome
12. Reopened chrome
13. went to site
14. opened dashboard
15. when to all post and opened post I had been working on
16. No list of references in ABT
17. imported .ris file
18. saved draft pages
19. List of references disappeared repeated import .ris and save draft command and the problem replicated consistently