Change .post-quote overflow value to auto

It was set to `scroll`, which always shows scrollbars, even if they aren't needed. This is probably not what you want. You want to *auto*matically show scrollbars, if the content exceeds the height of the div. 

Happy Panting \o/
New design. It's pantastic.
Fix timeline parameters when loading more posts.
No more avatars above timeline.
Merge pull request #1 from tvdeyen/patch-1

Change .post-quote overflow value to auto
Improve :user factory.
Fix User.fetch_from to use /user.json, not /user?format=json
Fix (enable) Spring configuration.
Cleaned up Gemfile.
Update Rails to 4.1.3.
Fix Procfile to make use of Spring.
Update assorted dependencies.
Load webmock in test environment only.
Refactor/spec post fetching.
Add /slug.md rendering of Markdown source.
Change daily archives to /yyyy/mm/dd URLs.
Introduce BackgroundJob mixin
Fix Celluloid integration
Rename Timeline to Network.
Fix network/incoming scrolling.