Provide a means to set platform specific settings on the native location object

Provide a means to set platform specific settings on the native location object. For example on iOS there are some options that can be set on the CLLocationManager, such as pausesLocationUpdatesAutomatically which enables the application to always have the location updates running regardless of whether it decides to shut them off. There are a couple of other properties such as activitytype which can influence how iOS handles the location updates.