Major rewrite of Survey generation for simplicity. Also includes support for CONDITION_GATE.

Mavlink terrain protocol support

Show errors from preset load failures

Minimum transect spacing of 0.5 meters

New Create Plan support

Pattern Preset support

Should not rebuild transects for newer file formats where mission items are stored in file

Fix Survey additionalTimeDelay as it relates to hover and capture

Add camera start to transect entry even when taking images throughout survey area.

multiple polygons

need to fully implement vertexvisibility

[Survey transects generation] move some of the logic handling out of function that handles only one polygon

Fixed camera shot count when trigger distance == 0

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

Also don't save to settings