Merge pull request #24 from kml/master

Don't fail on missing HornetQ bean
Updated Gemfile to use SSL
Merge pull request #27 from mhuffnagle/master

Fix for issue 26
Add gem update instructions per #25
backstage.rb moved to lib/torquebox-backstage.rb

root project directory is not in gem's require_paths so it's not possible to require 'backstage'
Mountable Backstage

* ServletStore is raising exception when mounted as engine
* serving files from public does not work with Sinatra 1.2.x
* removed strict dependencies versions