added comments to explain format of questions in app.js for non-tech users
added comments to explain format of questions in app.js for non-tech users

FairfaxRuby/clean-slate,MissionLaunch/clean-slate,codefordc/clean-slate,omarimayerswalker/clean-slate,omarimayerswalker/clean-slate,jrleszcz/clean-slate,mkalish/clean-slate,phantomhaircuts/clean-slate,mkalish/clean-slate,FairfaxRuby/clean-slate,DavidGinzberg/clean-slate,jrleszcz/clean-slate,oehokie/clean-slate,codefordc/clean-slate,RyanGladstone/clean-slate,ParentJA/clean-slate,RyanGladstone/clean-slate,rdeprey/clean-slate,DavidGinzberg/clean-slate,rdeprey/clean-slate,phantomhaircuts/clean-slate,ParentJA/clean-slate,MissionLaunch/clean-slate,oehokie/clean-slate