Reinstate reworked versions of some oracle database utilities left behind during solution of bug #3302Rework is based on coding style observed in code provided by Brian Fenton, but could still not be tested. See https://openacs.org/bugtracker/openacs/bug?bug_number=3302
bootstrapper can now load either the Oracle or PostgreSQL acs-kerneldatamodel. It checks on-the-fly for which db is configured in the OpenNSDdatabase pools allocated to OpenACS. Only acs-kernel is correctly self-configured at this point.