Changes

Overhaul Suicide Burn to Hoverslam Info/Autopilot

- redid the suicide burn calculation as a fully numerical
  background task simulation
- renamed from suicide burn -> hoverslam
- introduced a whole new "info" pane for hoverslam descent info
- introduced a hoverslam autopilot which automates steering and
  pressing the throttle at the right time

Signed-off-by: Lamont Granquist <lamont@scriptkiddie.org>
 (commit: e266ba8)