loading of default imagery sources broken in current release

[bastiK]

[4198] broke the loading of default imagery sources:

Index: trunk/src/org/openstreetmap/josm/gui/preferences/ImageryPreference.java
===================================================================
--- a/trunk/src/org/openstreetmap/josm/gui/preferences/ImageryPreference.java
+++ b/trunk/src/org/openstreetmap/josm/gui/preferences/ImageryPreference.java
@@ -836,6 +836,6 @@
 
     public static void initialize() {
+        ImageryLayerInfo.instance.loadDefaults(false);
         ImageryLayerInfo.instance.load();
-        ImageryLayerInfo.instance.loadDefaults(false);
         OffsetBookmark.loadBookmarks();
         Main.main.menu.imageryMenu.refreshImageryMenu();

In combination with

    public void load() {
        layers.clear();

this discards the layers added in loadDefaults(false).