Fix unit test for new planned home position behavior

Fix planned home position set when takeoff has no coordinate in it

Fix terrain NaN making it all the way to Planned Home altitude.

Fix resume mission item count bug

Update to setCoordinate no longer changing altitude

Removed setCoordinate support to reduce confusion

setCoordinate was screwing up altitude/param7 syncronization

Fix swapped climb/descent

Hack fix for terrain crash when new query comes through before old query is complete

Fix Change Command parameter default setting

Don't add takeoff as first item when it doesn't make sense for vehicle

Respect app units

Kick off terrain query after load

Don't query intermediate state

Fix failure handling

Save camera settings

Fixed issue where the "Set Circle Radius" menu entry was trying to affect the visibility of an item within a component.