Support IE9、10、11

Support IE9、10、11

package.json

@@ -1,6 +1,6 @@
 {
   "name": "iview",
-  "version": "0.9.5",
+  "version": "0.9.6",
   "title": "iView",
   "description": "A high quality  UI components Library with Vue.js",
   "homepage": "http://www.iviewui.com",

src/components/modal/modal.vue

@@ -2,7 +2,7 @@
     <div :class="wrapClasses">
         <div :class="maskClasses" v-show="visible" @click="mask" transition="fade"></div>
         <div :class="classes" :style="styles" v-show="visible" transition="ease">
-            <div :class="[prefixCls + '-content]">
+            <div :class="[prefixCls + '-content']">
                 <a :class="[prefixCls + '-close']" v-if="closable" @click="close">
                     <slot name="close">
                         <Icon type="ios-close-empty"></Icon>