Primordial Domain Controller bootstrap

Primordial bootstrap of a domain controller.

– how to indicate from the command line that a DC is to be booted
– parse the host.xml, find the DC configuration content (this isn't how to lookup a DC on another host; rather how a server on this host becomes a DC; e.g. location of domain.xml file)
– parse the domain.xml
– combine host and domain information into a fully specified server configuration object (see JBAS-8255)
– start a server based on this configuration object (similar to a regular server start)