bug fixed

修复vue2.x 链接不正确问题

Author: huangshuwei

examples/src/docs/en/start.md

@@ -129,7 +129,7 @@ Through [https://unpkg.com/vue-easytable/](https://unpkg.com/vue-easytable/), yo
 <!-- import style -->
 <link rel="stylesheet" href="https://unpkg.com/vue-easytable/libs/theme-default/index.css">
 <!-- import Vue -->
-<script src="https://unpkg.com/vue/dist/vue.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
 <!-- import library -->
 <script src="https://unpkg.com/vue-easytable/libs/umd/index.js"></script>
 ```
@@ -153,7 +153,7 @@ Through [https://unpkg.com/vue-easytable/](https://unpkg.com/vue-easytable/), yo
         </div>
     </body>
     <!-- import Vue -->
-    <script src="https://unpkg.com/vue/dist/vue.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
     <!-- import library -->
     <script src="https://unpkg.com/vue-easytable/libs/umd/index.js"></script>
     <script>

examples/src/docs/zh/start.md

@@ -136,7 +136,7 @@ new Vue({
 <!-- 引入样式 -->
 <link rel="stylesheet" href="https://unpkg.com/vue-easytable/libs/theme-default/index.css">
 <!-- 引入Vue -->
-<script src="https://unpkg.com/vue/dist/vue.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
 <!-- 引入组件库 -->
 <script src="https://unpkg.com/vue-easytable/libs/umd/index.js"></script>
 ```
@@ -160,7 +160,7 @@ new Vue({
         </div>
     </body>
     <!-- 引入 Vue -->
-    <script src="https://unpkg.com/vue/dist/vue.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
     <!-- 引入组件库 -->
     <script src="https://unpkg.com/vue-easytable/libs/umd/index.js"></script>
     <script>

examples/src/umd-test/locale/index.html

@@ -13,7 +13,7 @@
         </div>
     </body>
     <!-- 先引入 Vue -->
-    <script src="https://unpkg.com/vue/dist/vue.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
     <!-- 引入组件库 -->
     <script src="../../../../libs/umd/index.js"></script>
     <!-- 引入语言包 -->

examples/src/umd-test/ve-pagination/index.html

@@ -11,7 +11,7 @@
         </div>
     </body>
     <!-- 先引入 Vue -->
-    <script src="https://unpkg.com/vue/dist/vue.js"></script>
+    <script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
     <!-- 引入组件库 -->
     <script src="../../../../libs/umd/index.js"></script>
     <script>