Change ATOM feed to use actual post titles if available.
Improve styling of headings inside posts.
Strip Post#to_title of whitespace.
Fix post title extraction so blockquotes are ignored.
Fix styling of hashtags within heading tags.
Change hashtag linking so the links are fully qualified.
Change default mobile viewport to 600px
Fix previous viewport.
Don't render incoming posts if none are available.
Fix page titles for Network/Incoming.
Fix page titles again. Then go to bed.
Merge branch 'master' into uberspace