Update coveralls dependency to version 0.6.2
Update coveralls dependency to version 0.6.2

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