Fix blockquote border
Make feature image span entire page width. Fixes #6
Add post pagination links and padding to Disqus comments. Resolves #7
Validate atom feed
Fix updated date
Fix LICENSE link
Add configurable external links to top navigation. Resolves #9
Add modified page date to sidebar if available. Solves most of #8
Adjust margin/padding for .entry-meta on small viewports
Merge branch 'feature/modified-date' into develop