lower the power of the leds for glow mode and nighlight mode
remove unused define in hexbright lib
add a new DEBUG mode for user programs
up_n_down mem optimization
Merge pull request #23 from wbattestilli/master

up_n_down is smaller, new DEBUG_PROGRAM #define
Updated .gitignore
Merge branch 'master' of https://github.com/emc2cube/hexbright-libraries