Also remove support for old parameter version

If parameter version is too old, setup is not supported

Also, uas is kept in object

This signal passes the parameter type as well as param info

Better help text for Firmware Upgrade

Safety config ui design

Handle sensor difference for Fixed Wing

Fix object de-reference crash on deletion

Waiting for real fix to put back. Issue #1275

Firmware Upgrade ui re-work, plus QGCComboBox work

Firmware progress

QGCComboBox initial implementation

Fix missing 5.3->5.4 updates

Fixed issue #1261