Cleanup
Adjustements to take in account change 'sweet pi - sweet home 	Use 32bit for summing on averaging to prevent a buffer overflow' b5719ba
More samples for TFA protocol
Channel number is now extracted from the pulses (channel can be used as an id of the station, regular id change everytime you change battery)
some small refactoring in tfa.coffee to respect max line length
Renamed "tfa"-protocol to "weather3"-protocol