Clean up APIs/Tests around SBSv2 query mechanism (got rid of most all the original test API now that it's been moved into BuildContextSBSv2.
Clean up the Build Configuration Filtering prefs and rename hyperlinks from other prefs to note the new name.
<contexts>
<context id="hoverHelpContext">
<description>Hover Help Guide</description>
<topic href="resources/help context/dl_hover/html/getting_started.html" label="Overview"/>
<topic href="resources/help context/dl_hover/html/setup.html" label="Set Up"/>
<topic href="resources/help context/dl_hover/html/preferences.html" label="Preferences"/>
</context>
</contexts>