Updated version number to 0.3.22 (no changes, simply to match official plugin version number)
Bugfix: Fixed incorrect default value
Bugfix: Garmin Map Updater requests bytesAvailable for invalid pathes

like: Garmin/http://downloadg.garmin.com - in this case the bytesAvailable in the
base path is returned
Bugfix: Nullpointer exception on some fit files with empty laps

- Now able to handle FIT files that have empty laps (without trackpoints)
- Empty laps use the end time from the previous lap
- Added support for field steps
- Bugfix: Replaced invalid field MaxRunningCadence with correct MaxRunCadence