Merge changes from trunk to 2.4:

svn merge trunk/openlayers/@3088 trunk/openlayers/@HEAD branches/openlayers/2.4/

Changes include:
 * Improved GML parsing to catch fid better
 * Letting panels pass mouseup through
 * Fixing small bug in panel example
 * Display of markers/layers when out of range on startup.
 * Fix to aspect ratio of Overview Map.


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.4@3112 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

examples/panel.html

@@ -69,7 +69,7 @@
             
             
             zb = new OpenLayers.Control.ZoomBox();
-            panel = new OpenLayers.Control.Panel({defaultControl: zb});
+            var panel = new OpenLayers.Control.Panel({defaultControl: zb});
             panel.addControls([
                 new OpenLayers.Control.MouseDefaults(),
                 zb,