[Sass] [Less] Allow sass-convert --from less to convert from stdin.
[Sass] [Less] Allow sass-convert --from less to convert from stdin.

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