CommonsUploadMultipart: from interceptor to Observer
NullMultipart: from Interceptor to Observer
fixing and renaming CommonsUploadMultipart tests
fixing weird indent on setup method
adding new ControllerMethodDiscovered event
firing and observing ControllerMethodDiscovered
moving for observer.upload package
Merge pull request #256 from caelum/UploadObservingInsteadOfIntercepting

Upload observing instead of intercepting