caelum/vraptor4 — pull request #280 by Turini (2013-12-17 14:57:37+00:00)
Title: starting InterceptorStack only if controller was found. Closes #279

The `ControllerLookupObservers` was renamed to `RequestHandlerObserver`, and
only if a `ControllerMethod` for a specific request was found, starts `InterceptorStack`.