修改了一些错误和未翻译的地方

public/_includes/_util-fns.jade

@@ -14,6 +14,7 @@
 //- Use #{_decorator} whereever the word "decorator" is expected, provided it is not
 //- preceded by the article "a". (E.g., will be "annotation" for Dart)
 - var _decorator = 'decorator';
+- var _decoratorCn = '装饰器';
 
 //- Articles (which toggle between 'a' and 'an'). Used for, e.g.,
 //- array vs. list; decorator vs. annotation.

public/docs/ts/latest/guide/_data.json

@@ -107,7 +107,7 @@
 
   "router": {
     "title": "路由与导航",
-    "intro": "揭示通过Angular 2路由在屏幕上导航的基本原理。"
+    "intro": "揭示通过Angular 2路由在屏幕上导航的基本原理。",
     "hide": true
   },