WiringPi python for BPI-M1

With all the hard work being done by the BPI team, BPI Github now officially releases BPI-WiringPi2-Python.

We've customized WiringPi for BPI products with the latest WiringPi2-Python version, V1.1.1

Source on github:

https://github.com/BPI-SINOVOIP/BPI-WiringPi2-Python

Test:

Discuss on forum:

http://forum.banana-pi.org/t/do-you-develop-apps-with-python-banana-pi-gpio-python-test-is-ok-code-uploaded-to-github/276