1、增加字段类型

2、修复增加字段时的一处bug

public/static/plugins/dragsort/.bower.json

@@ -0,0 +1,33 @@
+{
+  "name": "dragsort",
+  "version": "1.0.0",
+  "authors": [
+    "Michael McDonald"
+  ],
+  "description": "A javascript file that provides the ability to sort lists using drag and drop.",
+  "main": "jquery.dragsort.js",
+  "keywords": [
+    "javascript",
+    "sort",
+    "jquery"
+  ],
+  "license": "http://dragsort.codeplex.com/license",
+  "homepage": "http://dragsort.codeplex.com/",
+  "ignore": [
+    "**/.*",
+    "bower_components",
+    "examples"
+  ],
+  "dependencies": {
+    "jquery": ">=1.6.0 <3.0.0"
+  },
+  "_release": "1.0.0",
+  "_resolution": {
+    "type": "version",
+    "tag": "v1.0.0",
+    "commit": "98dbf8aa97d203b727b34969dc2734e98b6aba65"
+  },
+  "_source": "https://github.com/karsonzhang/fastadmin-dragsort.git",
+  "_target": "~1.0.0",
+  "_originalSource": "fastadmin-dragsort"
+}