Add stack action.

This one's pretty simple...

I also removed the elevator_normal_height constant and replaced
it with a constant for how tall a tote is. Upon further
consideration, this made more sense and seemed more useful.

Change-Id: I4a7247b9e563b1c49cf853b7b05371be172aa500
9 files changed
tree: e0948b4026efc2b3bb881e403ec6fed0d7239de6
  1. aos/
  2. doc/
  3. frc971/
  4. output/
  5. vision/
  6. .clang-format
  7. .gitignore
  8. README.txt