This needs parsing the json but it is only done once. So far only Timestyle apphandler uses the new approach and this fi_xes the issue reported here https://github.com/Freeyourgadget/Gadgetbridge/issues/482#issuecomment-273757492
Fixes also a potential crash when the message for pebble contained a null key in one of the Pairs
Pebble activity tracker now do not share a common base anymore.
TODO: consider creating a custom way of querying activity types like in Misfit. The activity kind stored in the database now is solely based on the intensity, so it is redundant.
(#206)
This watchface is used as example: https://github.com/ygalanter/PebStyle because it doesn't initiate a connection like others do.
At the moment this is more a proof of concept^W^W^Wdirty hack then anything else.