updates the travis build icon to point to my version
updates the travis build icon to point to my version

salimane/email-spec,kathyonu/email-spec,jalevin/email-spec,jalevin/email-spec,tibastral/email-spec,bmabey/email-spec,kathyonu/email-spec,tibastral/email-spec,lencioni/email-spec,email-spec/email-spec,salimane/email-spec,lencioni/email-spec