Add rubocop to the rake build.
Add rubocop to the rake build.

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