rename bootstrap sass to use underscore instead of dash
use only bootstrap sass scrolls
more verbose about callbacks running
add missing descriptions
add failing spec for sorting scrolls with run_after
use topological sorting to sort scrolls
improve bootstrap sass scroll

- require sass scroll
- add category and tags
improve sass scroll

- rm application.css and create new application.css.scss
improve compass scroll

- import compass in application.css.scss
- run after sass scroll
- prepend import compass instead of appending it
improve guard scroll

- use terminal notifier on mountain lion
- no longer put variable in Gemfile
create prettier Gemfile