blink1-tool, blink1control-tool: added ability to specify hex color code ("#FF00FF" or "FF99CC")
blink1-tool: made distclean be more rigorous
blink1control: fixed suprise removal bug, first seen on Mac OS X 10.10 (Yosemite); specified minimum build target of 10.8 to allow building on 10.10
Merge https://github.com/todbot/blink1 into dev