Merge pull request #1 from BFALacerda/hydro-devel

adding first recovery behaviour packages
Integrated previous_positions_service and republish_pointcloud_service into backtrack_behaviour package
Got it to compile
Launching the correct nodes in the launch file
Added install targets for backtrack_behaviour package
Now the backtrack_server.py is executable after installing
Merge pull request #3 from BFALacerda/hydro-devel

changes to deal with new launch and repo structure
Fixed the message namespaces
Merge pull request #4 from nilsbore/hydro-devel

[backtrack_behaviour] Move republish_pointcloud_service and previous_positions_service to this package
moving human help packages here. Will get this better organized later