MySensors 2.3.1 released

As an early holiday gift, MySensors 2.3.1 has been released. Highlights RF24: Add delay after power-up RFM69 frequency band support for India Improve transport function & debug messages Allow flash strings in present() to save RAM Release notes and changelog: https://github.com/mysensors/MySensors/releases/tag/2.3.1 Important information: The NRF24 defines have been renamed to...