Fix up some issues found when using the random connected service provider. Also, move validation checks of IClientServiceSiteUI2 into a method of that interface, since we need to handle the case where the default connection is currently incompatible.

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>

   <extension-point id="featureUseTracker" name="Feature Usage Tracker" schema="schema/featureUseTracker.exsd"/>

</plugin>