Add xargs applet to busybox
Add default to mqtt-sonoff options
Fix birth/will messages in mqtt
Improve ptz command stability
Add wlan signal strength to status page (need test)
Add option to create directory tree in ftp upload
Create hack user (at boot) if doesn't exist
Fix get_config in links.sh
Add parameters check in preset.sh
Fix onvif management in service.sh
Update onvif_srvd to latest release
Add alpha event management to onvif_srvd