Adjustments to Telemetry Data

Doc fix for getting gstreamer in to android build

Revert "Start logging on heartbeat instead of connect"

* mavlink/master:
  Removing unused Main Flight Display widget.
  Start logging on heartbeat instead of connect
  Correct for relativeAlt, !relativeAlt, homePositionValid mix
  Fix relative altitude fact
  Calculate/Display distance between waypoints

It was kind of big...

Removing unused Main Flight Display widget.

Calculate/Display distance between waypoints

Start logging on heartbeat instead of connect

* mavlink/master:
  Making Altitude text Larger than the rest.
  Saving and Restoring "Map Is Main"
  Controls work better aesthetically when centered on the screen.
  More work on the Fly View

Flight view continue

Geodetic math

travis-ci enable QT_FATAL_WARNINGS=1 for osx

Disconnect Vehicle after 30 seconds of lost communication

Small fixes

Home Position unit testing for MissionController

Flight View Work

The current monitor used was the 'default' one, the primary monitor
but if your default monitor was the laptop one, with the lid closed
like mine was for quite a bit, you'd spend like 20 minutes trying to
find the preferences dialog, like I did.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>