Use WebPageParser to retrieve page data now
Improve feed parsing

* Switch simple-rss to feedparser
* Fixes parsing new york times atom feeds
Add paragraph anchors and :target styling

For convenient linking
favour the rss feed's guid if it's a uri

It's usually a better more normalized url, and in the nytimes case
the <link>'s are actually click trackers.
Update web-page-parser and curb
Update web-page-parser
Updated web-page-parser
Update Rails to fix security bug