Remove old Sass readme and add new onw

--HG--
branch : close_sidebar

sass/reademe.md → sass/README

@@ -5,7 +5,12 @@ $ gem install sass
 
 We are also using Bourbon with sass. They are a generic set of mixins, and functions that allow for more rapid 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: 
+Then to generate Sass files cd to templates directory and watch the sass files for developement: 
+
 $ sass --watch sass:../static/css/ -r ./sass/bourbon/lib/bourbon.rb
 
-This will automatically generate the CSS files on save.
+To generate a compressed css file for production:
+
+$ sass --watch sass:../static/css/ -r ./sass/bourbon/lib/bourbon.rb --style :compressed
+
+These will automatically generate the CSS files on save.