[BUGFIX] Measurement data cannot be played
[BUGFIX] Measurement data cannot be played

The measurement data is recorded in 100ms steps, which collides with
Leaflet.Playback’s default of 250. Therefore, the tick size is now
fetched from the data set instead.

andreaswolf/roadhopper,andreaswolf/roadhopper,andreaswolf/roadhopper,andreaswolf/roadhopper