Adafruit-circuitpython-ssd1305

* Added Pillow Demo
* Fixed to work with more resolutions including 128x64
* Spruced up the simpletest a bit to be more like the SSD1306 one

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-ssd1305`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ssd1305/en/latest/) for info on how to use it.

This release includes the functionality from the SSD1306 driver that it was derived from.

To use in CircuitPython, simply install the [Adafruit CircuitPython bundle](https://github.com/adafruit/Adafruit_CircuitPython_Bundle).

To use in CPython, `pip3 install adafruit-circuitpython-ssd1305`.

Read the [docs](http://circuitpython.readthedocs.io/projects/ssd1305/en/latest/) for info on how to use it.