making sinatra feature deterministic
making sinatra feature deterministic

Prior to this commit the sinatra feature would fail unless you ran the
rails feature prior.  The sinatra app passing is no longer dependent upon that.

kathyonu/email-spec,change/email-spec,woahdae/email-spec,jalevin/email-spec,ivanoats/email-spec,spraints/email-spec,andrewvc/email-spec,email-spec/email-spec,timcharper/email-spec,spraints/email-spec,tibastral/email-spec,jalevin/email-spec,hashrocket/email-spec,salimane/email-spec,collectiveidea/email-spec,woahdae/email-spec,bmabey/email-spec,ivanoats/email-spec,tibastral/email-spec,agibralter/email-spec,collectiveidea/email-spec,change/email-spec,andrewvc/email-spec,lencioni/email-spec,kathyonu/email-spec,hashrocket/email-spec,agibralter/email-spec,lencioni/email-spec,timcharper/email-spec,salimane/email-spec