adw: Disable automatic changelog display

The automatic changelog display is kind of scary looking when it pops
up after a clean flash. This is appropriate for ADW's market version
but probably not for a custom ROM. Disable it via overlay, it
is still available via the options menu.
diff --git a/overlay/common/packages/apps/ADWLauncher/res/values/config.xml b/overlay/common/packages/apps/ADWLauncher/res/values/config.xml
index 05f63cf..d4c04a9 100644
--- a/overlay/common/packages/apps/ADWLauncher/res/values/config.xml
+++ b/overlay/common/packages/apps/ADWLauncher/res/values/config.xml
@@ -17,6 +17,7 @@
 <resources>
     <bool name="config_drawerNew">false</bool>
     <bool name="config_fadeDrawerLabels">true</bool>
+    <bool name="config_nagScreen">false</bool>
 
     <integer name="config_desktopBounce">30</integer>
     <integer name="config_desktopSpeed">600</integer>