增加GDD通知

public/_includes/_hero-home.jade

@@ -5,8 +5,8 @@ header(class="background-sky l-relative")
     h1.text-headline #{title}<br>#{subtitle}
     a(href="/docs/ts/latest/quickstart.html" class="hero-cta md-raised button button-large button-plain" md-button) 开始吧！
 
-  announcement-bar
-    .announcement-bar-slide.clearfix
-      img(src="/resources/images/logos/anglebrackets/devintersection.png" width="64")
-      p 参加11月14-16号的<strong>DEVintersection Amsterdam</strong>!
-      a(href="https://www.devintersectioneurope.com/#!/" target="_blank" class="button md-button") 立即注册！
+     announcement-bar
+      .announcement-bar-slide.clearfix
+        img(src="/translate/cn/gdd.svg" width="64")
+        p <strong>2016 Google 开发者大会来啦！（北京 & 上海）</strong>
+        a(href="http://www.google.cn/intl/zh-CN/events/developerday2016/" target="_blank" class="button md-button") 立即报名