Update jQuery UI Widget to 1.10.4+amd

Author: futhr

vendor/assets/javascripts/jquery-fileupload/vendor/jquery.ui.widget.js

@@ -1,8 +1,8 @@
-/*
- * jQuery UI Widget 1.10.1+amd
+/*!
+ * jQuery UI Widget 1.10.4+amd
  * https://github.com/blueimp/jQuery-File-Upload
  *
- * Copyright 2013 jQuery Foundation and other contributors
+ * Copyright 2014 jQuery Foundation and other contributors
  * Released under the MIT license.
  * http://jquery.org/license
  *
@@ -115,7 +115,7 @@ $.widget = function( name, base, prototype ) {
 		// TODO: remove support for widgetEventPrefix
 		// always use the name + a colon as the prefix, e.g., draggable:start
 		// don't prefix for widgets that aren't DOM-based
-		widgetEventPrefix: existingConstructor ? basePrototype.widgetEventPrefix : name
+		widgetEventPrefix: existingConstructor ? (basePrototype.widgetEventPrefix || name) : name
 	}, proxiedPrototype, {
 		constructor: constructor,
 		namespace: namespace,
@@ -324,12 +324,12 @@ $.Widget.prototype = {
 					curOption = curOption[ parts[ i ] ];
 				}
 				key = parts.pop();
-				if ( value === undefined ) {
+				if ( arguments.length === 1 ) {
 					return curOption[ key ] === undefined ? null : curOption[ key ];
 				}
 				curOption[ key ] = value;
 			} else {
-				if ( value === undefined ) {
+				if ( arguments.length === 1 ) {
 					return this.options[ key ] === undefined ? null : this.options[ key ];
 				}
 				options[ key ] = value;