Docs(readme): update README.md images and demo description

Author: Armour

README.md

@@ -11,13 +11,13 @@
 
 ## Example
 
-* [Demo Page](https://express-react-typescript.herokuapp.com/) - contains classic todo list, async call example, and 404 pages (with random [moe images](https://github.com/Armour/express-webpack-react-redux-typescript-boilerplate/tree/master/frontend/src/pages/NotFoundPage/assets/images) lol)
+* [Demo Page](https://express-react-typescript.herokuapp.com/) - contains classic todo list, async server call, and 404 page with random [moe images](https://github.com/Armour/express-webpack-react-redux-typescript-boilerplate/tree/master/frontend/src/pages/NotFoundPage/assets/images). (Support multi-language, currently English, Chinese, and Japanese)
 
-  ![Home Page](https://user-images.githubusercontent.com/5276065/44063567-dc99dc68-9f15-11e8-942f-e13acc45584a.png)
+  ![Home Page](https://user-images.githubusercontent.com/5276065/44188928-402d7800-a0d5-11e8-8445-0c0dece815c2.png)
 
-  ![React Page](https://user-images.githubusercontent.com/5276065/44063568-dcabd422-9f15-11e8-8976-2c697dd011a6.png)
+  ![React Page](https://user-images.githubusercontent.com/5276065/44188929-402d7800-a0d5-11e8-8580-f9a330765f6a.png)
 
-  ![404 Page](https://user-images.githubusercontent.com/5276065/44063569-dcbe94ea-9f15-11e8-86db-52d636eef1af.png)
+  ![404 Page](https://user-images.githubusercontent.com/5276065/44188930-402d7800-a0d5-11e8-919c-a4baa2c969ab.png)
 
 ## Stack
 

frontend/src/pages/HomePage/components/Carousel/carousel.tsx

@@ -40,12 +40,6 @@ class Carousel extends React.Component<ICarouselProps> {
   }
 
   public componentDidMount() {
-    const { t } = this.props;
-    toastConfig.html = t('toast-text');
-    tooltipConfig.html = t('tooltip-text');
-
-    const tooltipElems = document.querySelectorAll('.tooltipped');
-    M.Tooltip.init(tooltipElems, tooltipConfig);
     const carouselElems = document.querySelectorAll('.carousel.carousel-slider');
     const carousels = M.Carousel.init(carouselElems, carouselConfig);
     this.timer = window.setTimeout(() => this.autoPlayCarousel(carousels), CAROUSEL_AUTOPLAY_INTERVAL);
@@ -70,6 +64,10 @@ class Carousel extends React.Component<ICarouselProps> {
 
   public render() {
     const { t } = this.props;
+    toastConfig.html = t('toast-text');
+    tooltipConfig.html = t('tooltip-text');
+    const tooltipElems = document.querySelectorAll('.tooltipped');
+    M.Tooltip.init(tooltipElems, tooltipConfig);
     return (
       <div className='carousel carousel-slider center z-depth-3' data-indicators='true'>
         <div className='carousel-fixed-item center'>