Widget: Make .enable() and .disable() act via ._setOptions() instead of ._setOption().

Author: Gabriel Schulhof

ui/jquery.ui.widget.js

@@ -355,10 +355,10 @@ $.Widget.prototype = {
 	},
 
 	enable: function() {
-		return this._setOption( "disabled", false );
+		return this._setOptions({ disabled: false });
 	},
 	disable: function() {
-		return this._setOption( "disabled", true );
+		return this._setOptions({ disabled: true });
 	},
 
 	_on: function( suppressDisabledCheck, element, handlers ) {