:memo: Update README to reflect changes from migrating back to autocomplete-plus.
:memo: Update README to reflect changes from migrating back to autocomplete-plus.

lodestone/autocomplete-bibtex,tpoisot/autocomplete-citeproc,mdlincoln/autocomplete-bibtex,tpoisot/autocomplete-bibtex,mangecoeur/autocomplete-bibtex,apcshields/autocomplete-bibtex