Throttle visualization pubs, namespace fix, and config change
Revert "Catkinize rvo2"

This reverts commit c86553ad9b79409349089d69d443cfe640d1d675.
Revert "Download and unpack rvo2 source"

This reverts commit 0211e29f92d08e15346cdd8fda28e2d0e42de6a9.
Fix RVO2 makefile
Rename motor/cmd_vel -> cmd_vel