Merge pull request #26 from xianglinhe/master

Added DrawerLayout contentContainerStyle props back.

packages/drawer/src/views/DrawerView.js

@@ -160,6 +160,7 @@ export default class DrawerView extends React.PureComponent {
         statusBarAnimation={this.props.navigationConfig.statusBarAnimation}
         minSwipeDistance={this.props.navigationConfig.minSwipeDistance}
         overlayColor={this.props.navigationConfig.overlayColor}
+        contentContainerStyle={this.props.navigationConfig.contentContainerStyle}
       >
         <DrawerGestureContext.Provider value={this.drawerGestureRef}>
           <SceneView