Only build therubyracer on MRI and Rubinius
Only build therubyracer on MRI and Rubinius

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