don't specificy http/https for codemirror (chrome cuts off on https)
don't specificy http/https for codemirror (chrome cuts off on https)

fkchang/opal-irb,fkchang/opal-irb,SophieDeBenedetto/opal-irb,fkchang/opal-irb,SophieDeBenedetto/opal-irb,SophieDeBenedetto/opal-irb