update readme, properties

Author: brentru

README.md

@@ -1,8 +1,5 @@
 # Adafruit IO Arduino Library
 
-[![Documentation Status](https://readthedocs.org/projects/adafruit-io-arduino/badge/?version=latest)](https://adafruit-io-arduino.readthedocs.io/en/latest/)
-
-
 ![Build Status](https://github.com/adafruit/Adafruit_IO_Arduino/workflows/Arduino%20Library%20CI/badge.svg)
 
 [![Discord](https://img.shields.io/discord/327254708534116352.svg)](https://discord.gg/nBQh6qu)
@@ -11,12 +8,18 @@
 
 This library provides a simple device independent interface for interacting with [Adafruit IO](https://io.adafruit.com) using Arduino. It allows you to switch between WiFi (ESP8266, ESP32, AirLift, WINC1500, & WICED), Cellular (32u4 FONA), and Ethernet (Ethernet FeatherWing)
 
-
 ## Documentation
-Documentation including installation, configuration and usage for this library is found on [the Adafruit IO Arduino ReadTheDocs pages](https://adafruit-io-arduino.readthedocs.io/en/latest/).
+
+The Doxygen documentation is automatically generated from the source files
+in this repository, and documents the API exposed by this library.
+
+- [API Documentation](https://adafruit.github.io/Adafruit_IO_Arduino/) (automatically generated via doxygen from source)
 
 ## License
-Copyright (c) 2019 [Adafruit Industries](https://adafruit.com). Licensed under the [MIT license](/LICENSE?raw=true).
 
-[Adafruit](https://adafruit.com) invests time and resources providing this open source code.
-Please support Adafruit and open-source hardware by purchasing products from [Adafruit](https://adafruit.com).
+This open source code is licensed under the MIT license (see [LICENSE](LICENSE)
+for details).
+
+Adafruit invests time and resources providing this open source code, please
+support Adafruit and open-source hardware by purchasing products from
+[Adafruit](https://www.adafruit.com)!

library.properties

@@ -1,5 +1,5 @@
 name=Adafruit IO Arduino
-version=3.3.1
+version=3.4.0
 author=Adafruit
 maintainer=Adafruit <adafruitio@adafruit.com>
 sentence=Arduino library to access Adafruit IO.