Update mapView._runNativeCommand to wait for it's native ref before attempting to execute
Update mapView._runNativeCommand to wait for it's native ref before attempting to execute

We are putting all methods calls created in componentWillMount, and componentDidMount on a queue
on the JS level, so if we call a method on our ref and we don't have a map ref yet we will wait
to execute the method call until we have a map ref

bsudekum/react-native-mapbox-gl,bsudekum/react-native-mapbox-gl,bsudekum/react-native-mapbox-gl,bsudekum/react-native-mapbox-gl