New backend API - back-{meta|monitor|sql}

["Pierangelo Masarati" <ando@sys-net.it>]

back-sql and back-monitor should be OK; now that I've
learned how to do, I'll finish back-meta ASAP.  Please
test the rest in the meanwhile.

p.

-- 
Pierangelo Masarati
mailto:pierangelo.masarati@sys-net.it