* Mavlink/master:
  Parameter search is now typedown style
  Prevent multiple clicks on dialog buttons
  Deploy OpenSSL lib
  Fix trailing slash
  Switch to exact conversion constants
  Copy files in right place
  Add missing headers
  Hack out dynamic font sizing
  Use new polygon drawing tool
  FlightMap supports generic polygon drawing tool

Parameter search is now typedown style

Rewrote editor to be performant enough to support typedown

Prevent multiple clicks on dialog buttons

This can happen on slow touch based systems

Deploy OpenSSL lib

Switch to exact conversion constants

Windows GStreamer: Copy files in right place

Use constant's inverse to ensure we don't accumulate error when converting back and forth

Info view font

Map polygon drawing tool

Map Reset Dialog

Adding a dialog telling the user the map cache database has been reset.

Survey no longer hidden behind setting

This is all going away in 3.1 so don’t want to spend time fixing broken
font sizing

Fixes to Offline Map Cache

PX4 MAV_CMD_NAV_LOITER_TO_ALT and cleanup

Motor Setup/Testing support

Change to match mavlink spec

Coord fix

Warn user on requiring 1.4.1 or above version

Warn user on requiring 1.4.1 or above version

more qgroundcontrol -> QGroundControl renaming

Plan: Copy coordinate frame from prev waypoint as well