* fix issue of 'Error writing to QHostAddress("")'

(cherry picked from commit 9450b97c94af8c4919151ae91e9c7601b74e95ad)

* remove obsolete comments

(cherry picked from commit 7ff3b0049b9f91f39f5e764c92058ba1c0484308)

* add comment on why the additional condition check is required.

(cherry picked from commit 149e19b7c90f178f8a7e8a544243ce7acd642fe8)

* MockLink is always MISSION_ITEM_INT to catch bugs in unit tests

* Fix typo

* Allow use of AutoConnect and HighLatency options for most link types.

* Remove isAutoConnectAllowed and isHighLatencyAllowed methods and assocated Q_PROPERTYs from LinkConfiguration class.  Allow user to configure these properties on all link types.

* Use correct key names

* Rewrite FTPManager

* Fix Reset Session at end of download

* Fixes for metadata download

* Remove unneeded mutex

* Cleanup LinkInterface, fix connect/disconnect bug

Co-authored-by: huangjian <huangjian@cuav.net>

New VehicleLinkManager implementation

Co-authored-by: Don Gagne <dongagne@outlook.com>

Mavlink update

Use {n} for indexed param tagging

Changed parameter name regex support to something that works

Include port name

Support 'FOO<#>_BAR` param name metadata

Clean up references to MainRootWindow globals

It's necessary to include QOBject to inherit

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Full BATTERY_STATUS support

Ability to expose MAVLink enums to QMl

Merge fix

Cherry pick UDPLink range for fixes from Stable