Release mega-20200410

Changes in mega-20200410 (since mega-20200328):

Bartlomiej Zimon (1):
      ESP32: add subtarget for genuine units firmware-factory.bin        Resolves #2964 #2941 #2486

Gijs Noorlander (16):
      [Frontend] Fix reload on change for selectors (#2974 )
      [Frontend] Fix crash when loading config + controller page
      [CUL Reader] P094_CULReader
      [CUL Reader] Clean up code
      [CUL Reader] Add 4th filter parameter
      [CUL Reader] Fix bug in save/load settings
      [CUL Reader] Add positional match
      [Sysvar] Fix show %ip% and %ip4% instead of %ip4% twice
      [CUL Reader] Add basic docs
      [Webserver] Fix ambiguous function definitions for selectors
      [Serial Plugins] Share more code among plugins using serial
      [Build] Fix build issue
      [build] New attempt to fix build for unused static function
      [PulseCounter] Restore from RTC before initializing pin triggers
      [WiFi] Fix problem with static IP and reconnect ESP32 (#2997)
      [WiFi] Switch to default PIO_FRAMEWORK_ARDUINO_ESPRESSIF_SDK22x_190703

Michael Schröder (2):
      Fix DeepSleep0 command
      Update deepsleep-command docs

TD-er (3):
      [P020_Ser2Net] Fix missing break; PLUGIN_SERIAL_IN
      [CUL Reader] 12 items per filter line + extra chars on filter whitelist
      automatically updated release notes for mega-20200410

tonhuisman (5):
      [P036] Added setting for 'Keep display off receiving text'
      [P036] Added setting for 'Wake display on receiving text'
      [P036] Added new setting to plugin documentation
      Fixed note wording
      Made note wording more functional