[Sass] Add Color#hsl.
[Sass] Add Color#hsl.

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