Update twitter dependency to version 1.5.0
Update twitter dependency to version 1.5.0

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