Changes since 1.2.11:
- @mc-hamster minor range test bug fix
- @mc-hamster add support for tlora_v1_3 boards
- @vfurman-gh added rssi indications for incoming packets
- @timgunter added choice to use an alternate python interpreter in our install scripts
- move gps_rx_pin for tlora v2.1 from 36 to 15
- fixup channels after factory reset
- fix firmware OTA update while is_router
- do not hang if fromradio queue is full