Version 2.3-beta2

fix: bogus temperature/humidity value visible even if no sensor present
fix: remote on index 0 could not be removed
fix: remove remote wasn't handled correctly in the CC1101 library
fix: CC1101 support was not working for the NON-CVE wifi module
fix: removed some unused settings
fix: simplify hum/temp sensor support setting
fix: HA autodiscovery not working for hum/temp sensor data
fix: last command string incorrectly referenced as const char * instead of copy
fix: failed i2c request' CRC incorrectly resulted in checked OK
fix: wifi reconnect could result in timeout on task SysControl

https://github.com/arjenhiemstra/ithowifi/raw/master/compiled_firmware_files/hardware_rev_2/nrgitho-hw2-v2.3-beta2.bin