Add therubyracer to dev deps to run opal-repl 
Add therubyracer to dev deps to run opal-repl 
kachick/opal,iliabylich/opal,opal/opal,iliabylich/opal,Mogztter/opal,Mogztter/opal,kachick/opal,kachick/opal,opal/opal,kachick/opal,jgaskins/opal,jgaskins/opal,jgaskins/opal,Mogztter/opal,iliabylich/opal,opal/opal,opal/opal,Mogztter/opal