added initial binning algorithm
Merge branch 'master' of github.com:dhiltonp/hexbright
Revert "added initial binning algorithm", it's in the binning branch

This reverts commit dd25361407409157bc98dbeef07f23208ce2d541.
added some fixes to libraries for compilation under linux
removed a duplicate #include in digitalWriteFast.h... running with arduino 1.0.1
print_number now prints 0.  resolves issue 15
decreased debug mode flash footprint by about 700 bytes
Added LOW_BATTERY condition detection.  It needs to be manually calibrated
added low battery detection test program; based off of functional
removed an extra int i
low voltage detection no longer requires calibration, and is accessible through BOOL low_voltage_state
Merge branch 'master' of git://github.com/dhiltonp/hexbright into dev_branch