Stop skipping Ruby 2.1 on Travis.
Stop skipping Ruby 2.1 on Travis.

The outstanding bug has been fixed as of 2.1.2.

srinivashappy/sass,amitsuroliya/sass,Ahnita/sass,askl56/sass,zaru/sass,baiyanghese/sass,MetaAshley/sass,srawlins/sass,nicklima/sass,nicklima/sass,cmpereirasi/sass,MetaAshley/sass,jaroot32/sass,saper/sass,amitsuroliya/sass,liquidmetal/sass,Industrys/sass,PMArtz92/sass,srawlins/sass,schneems/sass,Andrey-Pavlov/sass,dylannnn/sass,saper/sass,tangposmarvin/sass,lmetla/sass,nickg33/sass,briangonzalez/sass,danielfein/sass,modulexcite/sass,Iamronan/sass,lmetla/sass,antonifs/sass,danielfein/sass,Anshdesire/sass,OrenBochman/sass,Galactix/sass,DanteKaris/sass,PMArtz92/sass,Industrys/sass,HugoRLopes/sass,JuanitoFatas/sass,nickg33/sass,Iamronan/sass,rammy7219/sass,srinivashappy/sass,xzyfer/sass,modulexcite/sass,StephanieMak/sass,StephanieMak/sass,askl56/sass,stewx/sass,JuanitoFatas/sass,Galactix/sass,hcatlin/sass,Andrey-Pavlov/sass,DanteKaris/sass,stewx/sass,schneems/sass,Anshdesire/sass,ridixcr/sass,rammy7219/sass,ridixcr/sass,hcatlin/sass,cmpereirasi/sass,liquidmetal/sass,xzyfer/sass,zaru/sass,jaroot32/sass,antonifs/sass,Nzaga/sass,OrenBochman/sass,tangposmarvin/sass,dylannnn/sass,HugoRLopes/sass,Ahnita/sass,Nzaga/sass