Bring jquery.cookie from spree_backend

app/assets/javascripts/admin/all.js

@@ -12,6 +12,7 @@
 //= require jquery.ui.all
 //= require jquery-ui-timepicker-addon
 //= require jquery.powertip
+//= require jquery.cookie
 //= require angular
 //= require angular-resource
 //= require angular-animate

vendor/assets/javascripts/jquery.cookie.js

@@ -0,0 +1,41 @@
+/**
+ * jQuery Cookie plugin
+ *
+ * Copyright (c) 2010 Klaus Hartl (stilbuero.de)
+ * Dual licensed under the MIT and GPL licenses:
+ * http://www.opensource.org/licenses/mit-license.php
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ */
+jQuery.cookie = function (key, value, options) {
+
+    // key and at least value given, set cookie...
+    if (arguments.length > 1 && String(value) !== "[object Object]") {
+        options = jQuery.extend({}, options);
+
+        if (value === null || value === undefined) {
+            options.expires = -1;
+        }
+
+        if (typeof options.expires === 'number') {
+            var days = options.expires, t = options.expires = new Date();
+            t.setDate(t.getDate() + days);
+        }
+
+        value = String(value);
+
+        return (document.cookie = [
+            encodeURIComponent(key), '=',
+            options.raw ? value : encodeURIComponent(value),
+            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
+            options.path ? '; path=' + options.path : '',
+            options.domain ? '; domain=' + options.domain : '',
+            options.secure ? '; secure' : ''
+        ].join(''));
+    }
+
+    // key and possibly options given, get cookie...
+    options = value || {};
+    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
+    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
+};