Pull up patches for the following bugs from trunk:

#385: building for windows users (fix license)
#453: IE gives new DOM elements a parent with fragment node type
#454: Fix tests which are breaking in Opera
#455: Util.isEquivalentUrl broken in Opera
#463: map.setBaseLayer is a bit funky
#464: Overview Map dissappears when on permalinked page
#465: allow controls to live outside viewport (for real)
#466: HTMLDivElement is still undefined in IE7 (but 
      OpenLayers.Util.alphaHack() is now false)
#467: isEquivalentURL() not complete for IE
#468: Overview MapLosing Rectangle
#469: Default marker is incorrectly centered
#470: Can not use "search" property IE7
#473: Remove call to checkImgURL
#474: overview map isn't properly updated when the argparser kicks in


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.3@2181 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Events.js

@@ -272,7 +272,10 @@ OpenLayers.Events.prototype = {
         evt.element = this.element;
 
         // execute all callbacks registered for specified type
-        var listeners = this.listeners[type];
+        // get a clone of the listeners array to
+        // allow for splicing during callbacks
+        var listeners = (this.listeners[type]) ?
+                            this.listeners[type].slice() : null;
         if ((listeners != null) && (listeners.length > 0)) {
             for (var i = 0; i < listeners.length; i++) {
                 var callback = listeners[i];