v1.2.1

Merge dev branch from upstream to add:

• fix NTP sync issue when using static IP, by adding custom DNS; add option to disable alarm when opening door (6487eaf)

v1.2.0

• Push distance to %device_name%/OUT/DIST over MQTT (OpenGarage#39)
• Add support for MQTT username, password, and port (OpenGarage#40)
• Add custom NTP server option (OpenGarage#41)
• Fix special characters in device key and allow a longer device key consistently (OpenGarage#42)