Survey: Bump multi-rotor turnaround distance

Plan: If vehicle updates home position don't mark plan dirty

Numeric speech: Negative numbers and "m" postfix

Android: Serial port crash fix

Mobile builds check for lost log files

Better error messages for Plan upload/download failures

Resume Mission: Fix up sequence numbers and current item

Save App Log failing on Android

Rename camera modes for usability

Flight Speed changes were not flowing through rest of mission items

Resume mission fixes

* Resume index adjust to previous coordinate command
* Takeoff always added to resume mission
* Remove camera id checks which are no longer part of spec
* Simplified de-dup logic

Survey fixes

Android: Add debuggable to manifest

Split internet test into separate DNS lookup and connection.

Intrument Widget alternate control: Fix broken settings dialog display

Stable: Buffer overrun in UAS.cc

Offline map: Use FlightMap as base

This way:
* GCS location is shown
* It follows same centering semantics of FlightMap
* Note: Vehicle is not shown