interceptor: broadcast `response.config` with `loginRequired`.
interceptor: better to broadcast the full `response`.
Merge pull request #41 from thruflo/master

interceptor: broadcast `response` with `event:auth-loginRequired` message.

See: https://github.com/witoldsz/angular-http-auth/pull/41
loginCancelled added to authService (abandons or rejects all the requests and broadcasts event:auth-loginCancelled)
minor cleanup: iterating over array using `for x in y`
Enable JSONP monitoring.
Dry.
Merge branch 'feature-jsonp' of https://github.com/adurieux/angular-http-auth into feature-jsonp