update vue version in examples

Author: peak

example/basic.html

@@ -5,7 +5,7 @@
     <title>vue html5 editor demo</title>
     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
     <script src="../dist/vue-html5-editor.js"></script>
-    <script src="https://cdn.bootcss.com/vue/2.1.10/vue.js"></script>
+    <script src="https://cdn.bootcss.com/vue/2.2.6/vue.js"></script>
     <link href="https://cdn.bootcss.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet">
     <style>
         #app {

example/custom-color.html

@@ -5,7 +5,7 @@
     <title>vue html5 editor demo</title>
     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
     <script src="../dist/vue-html5-editor.js"></script>
-    <script src="https://cdn.bootcss.com/vue/2.1.10/vue.js"></script>
+    <script src="https://cdn.bootcss.com/vue/2.2.6/vue.js"></script>
     <link href="https://cdn.bootcss.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet">
     <style>
         body {

example/custom-icon.html

@@ -5,7 +5,7 @@
     <title>vue html5 editor demo</title>
     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
     <script src="../dist/vue-html5-editor.js"></script>
-    <script src="https://cdn.bootcss.com/vue/2.1.10/vue.js"></script>
+    <script src="https://cdn.bootcss.com/vue/2.2.6/vue.js"></script>
     <style>
         #app {
             margin: 50px auto;

example/custom-modules.html

@@ -5,7 +5,7 @@
     <title>vue html5 editor demo</title>
     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
     <script src="../dist/vue-html5-editor.js"></script>
-    <script src="https://cdn.bootcss.com/vue/2.1.10/vue.js"></script>
+    <script src="https://cdn.bootcss.com/vue/2.2.6/vue.js"></script>
     <link href="https://cdn.bootcss.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet">
     <style>
         #app {

example/extended-module.html

@@ -5,7 +5,7 @@
     <title>vue html5 editor demo</title>
     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
     <script src="../dist/vue-html5-editor.js"></script>
-    <script src="https://cdn.bootcss.com/vue/2.1.10/vue.js"></script>
+    <script src="https://cdn.bootcss.com/vue/2.2.6/vue.js"></script>
     <script src="https://cdn.bootcss.com/moment.js/2.14.1/moment.min.js"></script>
     <link href="https://cdn.bootcss.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet">
     <style>

example/i18n.html

@@ -5,7 +5,7 @@
     <title>vue html5 editor demo</title>
     <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"/>
     <script src="../dist/vue-html5-editor.js"></script>
-    <script src="https://cdn.bootcss.com/vue/2.1.10/vue.js"></script>
+    <script src="https://cdn.bootcss.com/vue/2.2.6/vue.js"></script>
     <link href="https://cdn.bootcss.com/font-awesome/4.6.3/css/font-awesome.min.css" rel="stylesheet">
     <style>
         #app {