Requested changes to pub-vol-page

--decided to switch to json autocomplete because donna said that a lot of the autocomplete options were extraneous, and hopefully 4000 entries (around ~270 KB) is not too much to send as json file
--made css changes requested by Alberto
--changed the field I use for bibcodes, which will work with DOIs once Roman reindexes them
--made it so that default number of records returned (20) does not open up the options panel