decode uri component before redirect for safe redirect

Decoding URI component before redirecting will allow for redirection with all the get parameters along with the previous url. Currently, if a url with get parameter is redirected to, it results in a 404. 


@version101
@jzoldak the test case is in lettuce, can we use override_settings?  Also, the view is harmless, it simply reflects back the data that was passed to it.