- You can now cancel parameter change
- Tablete friendly

Also removes qextserialport

Dang, the whole idea is to minimize updates and I forgot to remove my 10Hz test. It's supposed to be 2Hz.

Only QtLocation based mapping supported in future

Will be replaced by Qml + FactSystem tool widget support

QGCUASParamManager and friends are replaced by FactSystem

- cancel support
- mag rotation images
- set board rotation before cal
- set compass rotation after mag cal

When you load a waypoint files, the changes you're doing in the waypoint list
(for example, changing the longitude of a waypoint) are not applied to the points
displayed on the map.
This commit fixes this issue.