Allowing dashes in code names. Closes #1166
Accepting all non-whitespace characters as language names for Pygments code highlighting
Added support for deploying to github.io
Sinatra now correctly returns code 404 when a page is not found. Closes #1198
Updated RDiscount, added footnotes and other extensions
Removed a couple of buggy filters on RDiscount (for now)
Footnotes styling updates
Recent posts sidebar now correctly observes titlecase settings
Merge remote-tracking branch 'octopress/master' into source

* octopress/master:
  Recent posts sidebar now correctly observes titlecase settings
  Footnotes styling updates
  Removed a couple of buggy filters on RDiscount (for now)
  Updated RDiscount, added footnotes and other extensions
  Sinatra now correctly returns code 404 when a page is not found. Closes #1198
  Added support for deploying to github.io
  Accepting all non-whitespace characters as language names for Pygments code highlighting
  Allowing dashes in code names. Closes #1166
Update Gems
Add a post about byte-compilation of `eval-after-load`
Only show an excerpt of Flycheck announcement
Improve wording and get rid of some weasel words