Reference the Rails module as ::Rails.
Reference the Rails module as ::Rails.

Closes gh-241

14113/sass,concord-consortium/haml,jaroot32/sass,baiyanghese/sass,antonifs/sass,macressler/haml,chriseppstein/haml,stanhu/haml,Iamronan/sass,HugoRLopes/sass,amitsuroliya/sass,srawlins/sass,DanteKaris/sass,lmetla/sass,dylannnn/sass,Nzaga/sass,JuanitoFatas/sass,modulexcite/sass,stewx/sass,Galactix/sass,jaroot32/sass,xzyfer/sass,uniba/hamldoc_ja,srawlins/sass,nicklima/sass,nazar-pc/haml,haml/haml,Ahnita/sass,haml/haml,antonifs/sass,chriseppstein/sass,oss-practice/sass,Industrys/sass,StephanieMak/sass,PMArtz92/sass,tangposmarvin/sass,StephanieMak/sass,saper/sass,liquidmetal/sass,MetaAshley/sass,nicklima/sass,Iamronan/sass,tangposmarvin/haml,saper/sass,tangposmarvin/haml,Nzaga/sass,zaru/sass,askl56/sass,Industrys/sass,stanhu/haml,danielfein/sass,dg1dd1ngs/haml,lmetla/sass,Galactix/sass,Ahnita/sass,ridixcr/sass,tenderlove/sass,haml/haml,dg1dd1ngs/haml,amitsuroliya/sass,keithpitty/haml,macressler/haml,nickg33/sass,PMArtz92/sass,liquidmetal/sass,HugoRLopes/sass,DanteKaris/sass,OrenBochman/sass,cmpereirasi/sass,xzyfer/sass,ridixcr/sass,cmpereirasi/sass,Anshdesire/sass,dylannnn/sass,modulexcite/sass,schneems/sass,Andrey-Pavlov/sass,briangonzalez/sass,nazar-pc/haml,nickg33/sass,stewx/sass,hcatlin/sass,MetaAshley/sass,amatsuda/haml,Andrey-Pavlov/sass,Anshdesire/sass,schneems/sass,danielfein/sass,OrenBochman/sass,sideci-sample/sideci-sample-haml,rammy7219/sass,srinivashappy/sass,keithpitty/haml,hcatlin/sass,zaru/sass,tangposmarvin/sass,askl56/sass,JuanitoFatas/sass,rammy7219/sass,chriseppstein/haml,haml/haml,srinivashappy/sass