made the installation process work for an empty site. changes to default
data SQL should be easy to implement by simply dumping the data portion
of a MySQL or PostgreSQL installation.
changes required to make SQLite work on Joomla installation. database.xml
needs an entry for the SQLite drivers (otherwise they are not an option),
sqlite.php needs more changes to cope with the particulars of SQLite, and
query.php, so far, only has debug statements to see where actions die and why