Add documentation for the executables to the README.
Add documentation for the executables to the README.

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