Install capybara-webkit so we can test JavaScript.
Install coffee-rails.
Enable non-JS preview.
Ignore cache files.
Install capybara-firebug.
Fix backreferences.
Use Capybara's waiting behavior properly.
Remove useless requires.
Get preview working with JavaScript.
Improve styles for preview.
Don't run ~@wip features.
Refactor to shared partial.
Merge branch 'preview'
Increment version number.