Using Susy for Compass in Codekit

gistfile1.rb

# In your compass config.rb, add the susy gem path to the requires - adjust for your own paths
# Require any additional compass plugins here.
require "/Users/keith/.rvm/gems/ruby-1.9.3-p194/gems/susy-1.0.5/lib/susy.rb"

gistfile2.sass

// Cool, then just include it with compass in SASS
@import 'compass/css3'
@import 'susy'

//Do some cool responsive grid shit
//example pulled from homepage - http://susy.oddbird.net/
.ag1
  @include span-columns(2,10)
.ag2
	@include span-columns(6,10)
.ag3
	@include span-columns(2 omega, 10)
.ag4
	@include span-columns(3,6)
.ag5
	@include span-columns(3 omega,6)
.ag6
	@include span-columns(2,6)
.ag7
	@include span-columns(4 omega,6)
.ag8
	@include span-columns(2,4)
.ag9
	@include span-columns(2 omega,4)
.ag10
	clear: both