Fix error message for existing configs in projects that have errors, but were filtered out by filtering prefs. Error message was left off, if there was one.
<?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>