Increase DMAPI version requirement to v3.8 which is the last PCSuite available. Also attempt to "debounce" the event handling.
Changed error messages for version requirement. Removed 1 unused class.
<?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>