Extract path-manipulation utilities into PathUtils, to correspond with the same classes in EDC. -- Also, fix oversight where Win32 paths were not properly converted into IPath on Unix (the device was not set).

<?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>