Change Atom Feed date field to key off created_date rather than last_updated
script which can synchronise from the DOAJ blog to the local index
Adds news support to the doaj site

* can pull x news items from the index in date order
* displays 3 (configurable) news items on the front page and links through to /news
* adds /news which displays 20 (configurable) news items and links to the wordpress

each blog post presents a title and a summary, but for the content it links out to wordpress in a new window/tab
Merge branch 'blog'