Firmware 1.7.0

• Fix watchdog.sh;
• Watchdog timer is disabled by default;
• Added the reboot script (/cgi-bin/reboot.cgi);
• Use off_delay for MQTT binary sensor (HA);
• Updated ipctool, zlib, curl and lua;
• Updated third-party libraries (inih, yyjson, RtspServer and paho.mqtt.c);
• Other minor changes.