Refactor getBuiltInMacros() to be SBSv1 specific. This are the hard-coded macros misc macros we are adding for SBSv1.
For SBSv2, they are retrieved from the sbs config query. Also, clean up some API and comments on public APIS
<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>