Modulize the LED service
File cleanup
Added LED service script.
Updated radio.py to import led module correctly.
Add logs to .gitignore
Updated led service script name in startup.py
Delete radio.log
Update led.py
Rename radio_hw.py to hw/radio_hw.py
Create __init__.py
Rename radio_hw.py to pots.py
Update __init__.py
Rename radio.py to radio_service.py
Update radio_service.py
Create README.md
Update startup.py

Renamed the RunawayProcess exception class to RespawningProcess.
LED service: Bugfixes and cleanup.
More service updates.
Various bits of cleanup.
Service cleanup.