1.0.2: Correct PyPI credentials for release

1.0.1: Now on PyPI!

- Added setup.py
- Added PyPI release info to .travis.yml

To use in CircuitPython, simply install the Adafruit CircuitPython bundle.

To use in CPython, pip3 install adafruit-circuitpython-mprls.

Read the docs for info on how to use it.

Merge pull request adafruit#2 from ladyada/master

mini lint