message: Changed title to system item
diff: @@ -10,7 +10,7 @@ export default ({color}) => (
  contentInsetAdjustmentBehavior="automatic"
  contentContainerStyle={{flex:1}}>
  <RightBarIOS>
  - <BarButtonIOS title="Cancel" onPress={() => {
  + <BarButtonIOS systemItem="cancel" onPress={() => {
  stateNavigator.navigateBack(1);
  }} />
  </RightBarIOS>
  