Added experimental brushless driver
Added fast charging capability for wall adapters
eskylink: fix cut'n'paste error

It looks like "pitch" was meant to be tested after extracting the pitch,
rather than "roll" which is uninitialized at that point.
Merge pull request #22 from jsgf/master

eskylink: fix cut'n'paste error
Merge branch 'master' into neopixel_dev
12x NeoPixel Ring support

Modified neopixelring.c for 12x LED ring (instead of 16x).