Don't store compiled site in the repo

GitHub Pages automatically builds the site when pushed.
Set production URL in config

This will be used when generating absolute URLs in the feed.
Move site title from layout into config

This allows it to be reused by the feed.
Include author name in config for the feed
Add feed
Merge branch 'feed' of https://github.com/jasoncodes/wanelo.github.io into jasoncodes-feed

Conflicts:
	_site/2014/03/21/12step-program-for-scaling-web-applications-on-postgresql.html
	_site/index.html