Adafruit-circuitpython-framebuf

* Add a simple font file validation check.

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-framebuf`.

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

you can now rotate displays 4 ways, removed unused RGB type def as well

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-framebuf`.

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

Many thanks to Tasm-Devil :)

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-framebuf`.

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

- Add image() for Linux PIL support

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-framebuf`.

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

A few displays like OLEDs use framebuf as an underlying matrix of pixels, we no longer include framebuf in CircuitPython builds (we'll be going to displayio) but this can suffice if you need it. Warning, it's a bit slow since its pure python!