message: Moved underlayColor prop before function props
diff: @@ -4,7 +4,7 @@ import { Crumb, State } from 'navigation';
  import { NavigationContext, AsyncStateNavigator } from 'navigation-react';
  import PopSync from './PopSync';
  import Scene from './Scene';
  -type NavigationStackProps = {stateNavigator: AsyncStateNavigator, title: (state: State, data: any) => string, crumbStyle: any, unmountStyle: any, hidesTabBar: any, sharedElement: any, underlayColor: string, renderScene: (state: State, data: any) => ReactNode};
  +type NavigationStackProps = {stateNavigator: AsyncStateNavigator, underlayColor: string, title: (state: State, data: any) => string, crumbStyle: any, unmountStyle: any, hidesTabBar: any, sharedElement: any, renderScene: (state: State, data: any) => ReactNode};
  type NavigationStackState = {stateNavigator: AsyncStateNavigator, keys: string[], rest: boolean};
  class NavigationStack extends React.Component<NavigationStackProps, NavigationStackState> {
  @@ -19,11 +19,11 @@ class NavigationStack extends React.Component<NavigationStackProps, NavigationSt
  this.onRest = this.onRest.bind(this);
  }
  static defaultProps = {
  + underlayColor: '#000',
  unmountStyle: () => null,
  crumbStyle: () => null,
  hidesTabBar: () => false,
  sharedElement: () => null,
  - underlayColor: '#000'
  }
  static getDerivedStateFromProps({stateNavigator}: NavigationStackProps, {keys: prevKeys, stateNavigator: prevStateNavigator}: NavigationStackState) {
  if (stateNavigator === prevStateNavigator)
  @@ -95,7 +95,7 @@ class NavigationStack extends React.Component<NavigationStackProps, NavigationSt
  }
  render() {
  var {keys, rest} = this.state;
  - var {stateNavigator, unmountStyle, crumbStyle, hidesTabBar, title, underlayColor, renderScene} = this.props;
  + var {stateNavigator, underlayColor, unmountStyle, crumbStyle, hidesTabBar, title, renderScene} = this.props;
  var {crumbs, nextCrumb} = stateNavigator.stateContext;
  return (
  <NVNavigationStack
  