Untested endomondo upload, tested endomondo activity mappings
User-specific deviceId values for API, in case they care
Wheelchair activity type for Endomondo
endomondo: functional upload, exhaustive listing, fixed activity mappings, added DeleteCachedData
Fixed strava bug with runs (fixed = disabled)
Fixed tests for TZ-aware dates + fixed up testtools random activity generator, added some endomondo tests, fixed handling for offshore TZes