Release mega-20201009

Changes in mega-20201009 (since mega-20200929):

TD-er (15):

      Fix used sensor type on plugins allowing to select output type
      [Custom build] Custom.h was not always used for factory default settings
      [ESP32] Add detailed chip info on ESP32
      [Sysinfo page] Split memory info from basic system info + add for ESP32
      Document Custom.h alternative for Arduino IDE
      [Sysinfo page] Hide flash chip ID for ESP32 (not possible to read)
      [Load] Fix high CPU load introduced by fixing sensorType consistency
      [Cleanup] Simplify functions to sync sensorType consistency
      [ESPEasySerial] Make GPIO pins selectabel on ESP32
      [ESPEasySerial] Fix missed ESPEasy Serial instance build issues.
      [SendToHTTP] Return command failed if no connection could be made
      [build] Add define DISABLE_SC16IS752_Serial
      Add standard conversion for converting int to HEX
      [LoRaWAN TTN] Add new plugins to packet converter JavaScript
      automatically updated release notes for mega-20201009

Thomas (1):

      Updated Docs: P075 Nextion and P079 Motorshield

jimmys01 (1):

      Update ArduJSON