WIP
Fix protocol send argument order. Add more debug message.
Clean proto message inside poll funtions.
Update all scripts.
Move all slave logic in cmd module.
Manage slave status in slave poll. Add send function for some payload lenght.
Backport iwdg defines.
Re-include spi module.
Add wachdog module.
Add license.
Merge branch 'master' of github.com:asterix24/Radio

Conflicts:
	radio/cmd.c
	radio/cmd.h
	radio/main.c
Merge branch 'dev'

Conflicts:
	radio/cmd.c
	radio/main.c
	radio/protocol.c