Updated the Obstacle message to reflect what we need.
Merge branch 'master' of https://github.com/gtagency/buzzmobile
Merge branch 'master' of https://github.com/gtagency/buzzmobile
Merge branch 'master' of https://github.com/gtagency/buzzmobile
Added the preliminary obstacle_detector
Merge pull request #4 from barulicm/car-interface

Tunes steering PD for the car running under its weight.
removed generated message files
removed generated message code
moved from planners
modified detector_node to output obstacle array
added node to convert obstacle array to pose array, for visualizing in
rviz
deleted Obstacle message, changed to use core_msgs msg
changed dynamic buffer to fixed buffer (for memory efficiency)
changed serial port back to one exposed by udev rules
modified Obstacle to be just a point and radius
Adds pot output to ROS feedback from car-interface.
Merge branch 'master' of https://github.com/gtagency/buzzmobile into car-interface

Conflicts:
	actuators/car_interface/src/main.cpp