Initial commit of firmware.
Added fan pre-spin for boost mode.  Fixed active mode fuction.  Added word TIMER for that mode.
Fixed 8 second wakeup issue caused by debug option.
Fixed EFUSE enable to be open drain and added functions to drive it.
Update to rev 6.
Added .gitignore file to ease commit preparation
Timing changes for inactivity timeouts.  Added separate header for version string.  Incremented release number to 7.
Added key repeat for SET CLOCK and SET TIMER screens.  Other minor tweaks.
Revised in activity timeouts to 8 seconds.
Added low cartridge handling.  Added system reset support.
Updated to Release 8
Reset the spray counter on system reset.
Add eeprom.c and eeprom.h.
Added spray count screen.  Fixed spray immediately after boost.
Updated to Release 9.
Simplified display timeouts to a single constant.
Implemented power on heart beat. Updated to Release 10.
Fix boost cycles back to 40.  Update to Release 11.
Fix spray count screen to not clear the count. Revise power on LED flash.  Update to Release 12.
Add some I2C fault tolerance.