Fix #10576. Add alias for jQuery.event.handle so voyeur code still works.

Between new 1.7 special event hooks and jQuery.event.simulate() we have a much cleaner solution than the people calling jQuery.event.handle are doing, but we shouldn't break their use of this undocumented internal interface for now.

src/event.js

@@ -618,6 +618,10 @@ jQuery.event = {
 	}
 };
 
+// Some plugins are using, but it's undocumented/deprecated and will be removed.
+// The 1.7 special event interface should provide all the hooks needed now.
+jQuery.event.handle = jQuery.event.dispatch;
+
 jQuery.removeEvent = document.removeEventListener ?
 	function( elem, type, handle ) {
 		if ( elem.removeEventListener ) {