Update mail dependency to version 2.4.4
Update mail dependency to version 2.4.4

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