Log Message:
Update ruby-sinatra to 1.3.4.

= 1.3.4 / 2012-01-26

 * Improve documentation. (Kashyap, Stanislav Chistenko, Konstantin Haase,
   ymmtmsys, Anurag Priyam)

 * Adjustments to template system to work with Tilt edge. (Konstantin Haase)

 * Fix streaming with latest Rack release. (Konstantin Haase)

 * Fix default content type for Sinatra::Response with latest Rack release.
   (Konstantin Haase)

 * Fix regression where + was no longer treated like space. (Ross Boucher)

* Status, headers and body will be set correctly in an after filter when using
  halt in a before filter or route. (Konstantin Haase)