74_Unifi: - new readings for controller, accesspoints and clients

[System]

74_Unifi: - new readings for controller, accesspoints and clients

74_Unifi: - new readings for controller, accesspoints and clients           - new Setter: archiveAlerts, disconnectClient, restartAP             setLocateAP, unsetLocateAP           - new Getter: events, unarchivedAlerts           - new Attributes: eventPeriod, httpLoglevel           - updated commandref           - rewrite some codeView Changes

Source: 74_Unifi: - new readings for controller, accesspoints and clients