Fix problem of not checking if current perspective equals target perspective before prompting to switch perspectives. Also, check if project is Qt Nature and skip if it's a bld.inf import.
<?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>