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
<?xml version="1.0" encoding="UTF-8"?>
<?NLS TYPE="org.eclipse.help.toc"?>
<toc label="Release">
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</toc>