Small set of telemetryHandlers done in a proper way.
POWER_PROFILE renamed to TURBO_TRAINER which have Profile()
GPX trainings handles trainings in the new way.
powerSensor and videoSpeed power profiles
Merge pull request #13 from pajakgdynia/master

New "readers" are necessary to be built (.rlv, .trn). "Time" trainings are to be handled correctly.