lib/pancake/router.rb
def mount(mounted_app, path, options = {})
      mounted_app = MountedApplication.new(mounted_app, path, options)
      self.class.mounted_applications << mounted_app
      mounted_app
    end
def mount(mounted_app, path, options = {})
      mounted_app = MountedApplication.new(mounted_app, path, options)
      self.class.mounted_applications << mounted_app
      mounted_app
    end
Mounts an application in the router as a sub application in the
 url space.  This will route directly to the sub application and
 skip any middlewares etc defined on a stack