Merge pull request #21 from cdondrup/hydro-devel

Adding a logging message to the people_perception_msgs
Merge pull request #22 from cdondrup/hydro-devel

Changed ids array to a string array to accommodate the uuid.
Adding topological map msg
Merge pull request #23 from cdondrup/hydro-devel

Unique uuids for every module of the ppl perception pipeline that uses ids. 

Solves https://github.com/strands-project/strands_perception_people/issues/72
Merge branch 'hydro-devel' of https://github.com/Jailander/strands_msgs into hydro-devel
Merge branch 'hydro-devel' of http://github.com/strands-project/strands_msgs into hydro-devel