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

tests/test_Icon.html

@@ -24,16 +24,14 @@
         t.eq( cloned.url, "b", "cloned.url does change when edited" );
     }
 
-    function test_02_Marker_setOpacity(t) {
+    function test_03_Marker_setOpacity(t) {
         t.plan( 2 );
         
         icon = new OpenLayers.Icon("a",new OpenLayers.Size(5,6));
-
         t.ok(!icon.imageDiv.style.opacity, "default icon has no opacity");
         
         icon.setOpacity(0.5);
-
-        t.eq(icon.imageDiv.style.opacity + "", "0.5", "icon.setOpacity() works");
+        t.eq(parseFloat(icon.imageDiv.style.opacity), 0.5, "icon.setOpacity() works");
     }
 
   // -->