People Tracking Filter
Merge pull request #2 from DLu/up_hydro

People Tracking Filter. Once a prerelease test passes, I'll do a new release.
Add Leg Detector package
Name for consistency
Merge pull request #3 from DLu/up_hydro

Leg Detector Package
Face detector Lint
Msgs lint
PTF Lint
Merge pull request #4 from DLu/up_hydro

Catkin Lint Stuff
Last bit of leg detector lint
Leg detector description
New people messages
PVT
Social Navigation Layer
Cleanup PVT
Nav layers cleanup
Additional install for leg_detector
Installs for PVT
Merge pull request #5 from DLu/up_hydro

Last two packages
Missing depends