Merge changes I604610b9,I6093c376,I118cc621,I3f7c3482,Iae4ba2a1

* changes:
  Added filtered velocity to the output and removed unnecesary comment after gyro fix.
  Dedup comment in joystick_reader.
  Send out 0 for the gyro while zeroing.
  Added drivetrain_action back in.
  Sped up pickup.
tree: f9e5e59048c19958bb3f80051bc084477e5798ef
  1. aos/
  2. doc/
  3. frc971/
  4. output/
  5. vision/
  6. .clang-format
  7. .gitignore
  8. README.txt