bibliography services: bib object

these functions were formerly in main.js, now are in bib.js

also, tweaks necessary to accommodate JSTOR metadata fiddling: you can
change the author delimiter with a VIS setting. meta.csv is still
expected in the same format, so the burden of converting the 2014
"citations.tsv" files into csv falls to the browser data pipeline
(accommodated in latest dfrtopics)
regenerate minified source