Update iView to 3.x

Author: zorc

vue/package.json

@@ -11,7 +11,7 @@
     "abp-web-resources": "^3.8.2",
     "axios": "^0.18.0",
     "famfamfam-flags": "^1.0.0",
-    "iview": "^2.13.1",
+    "iview": "^3.0.0",
     "js-cookie": "^2.2.0",
     "register-service-worker": "^1.0.0",
     "vue": "^2.5.16",

vue/src/iview.d.ts

@@ -1,21 +1,19 @@
-// Type definitions for iview 2.5.1
+// Type definitions for iview 3.0.0
 // Project: https://github.com/iview/iview
 // Definitions by: yangdan
 // Definitions: https://github.com/yangdan8/iview.git
-import Vue from "vue";
-
-export default Affix;
+import Vue, { VNode } from "vue";
 
 export interface Affix extends Vue {
   /**
    * 距离窗口顶部达到指定偏移量后触发
    * @default 0
    */
-  'offset-top': number;
+  'offset-top'?: number;
   /**
    * 距离窗口底部达到指定偏移量后触发
    */
-  'offset-bottom': number;
+  'offset-bottom'?: number;
   /**
    * 在固定状态发生改变时触发
    * @param value true | false