- should we make 'AGAppLaunchedWithURLNotification' external on the ios-lib and let clients use it as a constant instead as a string
     mean here: https://github.com/corinnekrych/aerogear-ios/blob/AGIOS-138/AeroGear-iOS/AeroGear-iOS/security/Authorizer/AGRestAuthzModule.m#L23

- let's use the constant UIApplicationLaunchOptionsURLKey instead of string