Added more to the sass readme

--HG--
branch : kf-refactor

sass/reademe.md

-To generate Sass files cd to templates directory: 
-sass --watch sass:../static/css/ -r ./sass/bourbon/lib/bourbon.rb
+This project is using Sass to generate it's CSS. Sass is a CSS preprocessor that allows for faster developmnet of CSS. For more information about sass: http://sass-lang.com
+
+To use sass all you need to do is enter:
+$ gem install sass
+
+We are also using Bourbon with sass. They are a genaric set of mixins, and functions that allow for more rpid development of CSS3. Find out more about bourbon here: https://github.com/thoughtbot/bourbon
+
+Then to generate Sass files cd to templates directory and watch the sass files with: 
+$ sass --watch sass:../static/css/ -r ./sass/bourbon/lib/bourbon.rb
+
+This will automatically generate the CSS files on save.