优化nice-validator依赖

bower.json

@@ -20,7 +20,7 @@
     "jquery-slimscroll": "~1.3.8",
     "jquery.cookie": "~1.4.1",
     "Sortable": "~1.10.0",
-    "nice-validator": "~1.1.1",
+    "nice-validator": "karsonzhang/fastadmin-nicevalidator#~1.1.6",
     "art-template": "~3.1.3",
     "bootstrap-daterangepicker": "~2.1.25",
     "fastadmin-citypicker": "~1.3.1",