fixed powr/gnd display
Merge branch 'master' of https://github.com/sonopard/PowerCounter

Conflicts:
	raspi/docs/PC4004B.pinmap
added some sample class code for IOShield
added https://github.com/dbrgn/RPLCD
manually, because of setuptool/distribute shit, their  script is quite broken. see depends directory if you want to bother fixing it, because i won't
requires RPIO which actually installs fine from pypi
see the README

i wish that chick would stop bleeding into my ear