Tower Beta

Nov 9, 2016

Version 4.0.0 Beta 4 changelog:

- Remove dependency on 3DR Services
- Support for Baidu map
- Compass calibration support for Solo and ArduCopter v3.4 or higher
- Restore vehicle history screen
- Ability to export the vehicle flight path as a mission
- Deprecate '.dpwp' mission file for '.txt' mission file to improve compatibility with other GCS
- Autosave last survey preferences
- Fix invalid altitude frame for Follow-Me and Guided mode
- Fix Takeoff mission waypoint for plane vehicles