* heuristics fix#1269#1270
* moved `sendInterval` in settings, **important:** *will be reseted to 15s after update to this version*
* try to prevent access to radio classes if they are not activated
* fixed millis in serial log
* changed 'print whole trace' = `false` as default
* added communication loop duration in [ms] to serial console
* don't print Hex-Payload if 'print whole trace' == `false`
* fix ethernet save inverter parameters #886
* fix ethernet OTA update #886
* improved radio statistics, fixed heuristic output for HMS and HMT inverters