added automatically-updated publications page (using PubMed, RSS, js)

it pulls from custom PubMed RSS feed created by Shawn,
based on names of faculty,
goes through Yahoo Pipes to break apart 'description' CDATA/HTML,
which contains journal name, in addition to authors, title, abstract...
and also provides the option to get processed feed as JSON
which we use javascript and Yahoo YUI library to request as AJAX
and then slot into mini-template strings to create list of
articles with authors, title, link, and journal.