Update twitter dependency to version 2.4.0
Update twitter dependency to version 2.4.0

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