Changed sonar to use 16 bit values, not 8
Added sonar, though it looks buggy.
Use sonar_viz to continue debugging and make sonar work!
Adding previously missing file sonar_distance.msg
Should have been in previous commits but was not added.
Updated the licensing information in many files.
This is a broken commit because I decided to do this at a bad time. Sorry! The build will be working after next commit, I promise (and I won't push till then). This commit reflects the licensing in the files after I used my auto-add/remove script.
Updated the sonar module prototype.
The biggest change to the proposed node is a restructuring of the sonar code style. Two services (sonar_toggle and sonar_set_scan) allow another node to turn the sonar on and off. The sonar constantly scans, keeps track of its position, and publishes all its readings in the topic sonar_direction.msg....