Updated filenames in `examples/`, to better define what they're for. Especially helpful for the example bundles.
Thanks makermelissa for the updates!
To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).
To use in CPython, `pip install adafruit-circuitpython-is31fl3731`.
Read the [docs](http://circuitpython.readthedocs.io/projects/is31fl3731/en/latest/) for info on how to use it.