Update execjs dependency to version 1.3.0
Update execjs dependency to version 1.3.0

arrogantgamer/ludum_dare_28,sferik/sign-in-with-twitter,ksmetana/rails-app-twitter-test,arrogantgamer/ludum_dare_28,sferik/sign-in-with-twitter,ksmetana/rails-app-twitter-test,theonlyjames/garbage,sferik/sign-in-with-twitter,theonlyjames/garbage