* Clarify the license for files we have signoff on
* Update against the currently signed off files
* Remove unused and not clearly licensed headers
* Replace an #endif I accidentally removed while resolving merge conflicts
* Updated personal layouts
* tweaked personal
* Nightly - Audio Cleanup
Refactored the LUTs. Abstracted some of the registers out of audio to
use more functional names. Split audio into audio and audio_pwm. WIP
* nightly - collapsed code
* Added check for note playing to LEDs
Jack Humbert