@Override
    public void propertyDeleted( final String property, final Map<String, Object> params )
    {
        propertySet( property, params );
    }
Immediately run a check of the plugin directory.
@param blockUntilDone {code true} to wait until the check is complete, otherwise {@code false}
xmppserver/src/main/java/org/jivesoftware/openfire/container/PluginMonitor.java