Consistent API for DB event handling.
Consistent API for DB event handling.

jrwren/juju-gui,bac/juju-gui,bac/juju-gui,bac/juju-gui,jrwren/juju-gui,mitechie/juju-gui,jrwren/juju-gui,mitechie/juju-gui,jrwren/juju-gui,mitechie/juju-gui,mitechie/juju-gui,bac/juju-gui