Patch v1.7.1

This release is superseded.

New functionality:

• Add some randomness to unit update intervals
• Add support for multiple board types
  • NodeMCU V3
  • Wemos D1 Mini
  • NodeMCU ESP32
  • Lolin32 OLED
  • ESP32 (All ports)
  • ESP8266 (All ports)

you can select the board from a unit settings page.
If you run into any problems with other boards or want to have the pin-layout displayed in the GPIO pairing wizard, let me know in a feature request!

Fixes:

• Refreshing pin list when switching unit
• Remove measure_heap capability for ESP32 devices