fixed a regression related to the digitalWriteFast conversion; we'll now turn off if shutdown is called and we're plugged in
fixed a bug in tactical.ino caused by an imperfect conversion to the new button api
added the action_timer program, which returns to a brightness after a configurable time has passed
action_timer: make sure we don't turn off when we're still doing input
action_timer is fully functioning
converted action_timer's readme to markdown syntax
minor markup changes to action_timer's readme
fixed a bug in alarm_clock.  It should work now
action_timer: fixed a bug where previous_action_time wasn't set.
added a DEBUG_PRINT mode that only enables printing, with no other debug code
Merge branch 'master' of git://github.com/dhiltonp/hexbright into dev_branch