Add proper CSS font stack for pretty fallbacks

Many Linux distros don't package Verdana so this change overrides
the deafult font's outlined in ycombinator/news.css providing prettier
fallbacks
Update README.md
Merge pull request #11 from stevenleeg/master

Collapsing changes
Fixed: Retina images no longer loaded after HN HTTPS update
Upped manifest number
Merge branch 'master' of git://github.com/tommoor/HackerNew