Merge pull request #3 from barulicm/car-interface

Imports car_interface code, messages, and arduino sketch.
fixed up teleop joy, modified to send motion commands
Moved path message to astar planner instead of differential driver
Merge branch 'master' of https://github.com/gtagency/buzzmobile
Modified project structure to line up with standard rosbuild package
Changed car namespace to core_msgs namespace
Changd delay in arduino.cpp to better line up with arduino code
Modified keep alive code to be more CPU efficient.
Merge branch 'master' of github.com:gtagency/buzzmobile
(Matt) fixed bug in getSpeed method, which prevented accurate encoder
values

Changed project structure to be compatible with ino build tool
added .build folder to .gitignore
updates to classifier to not attempt to classify outside of workable
image

updates to teleop to run the big car
Added bicycle model planner and driver for big car
Added ROS node for bicycle driver
Initial checkin of brake planner (low level planner for hitting the
breaks to avoid a crash).  Not quite finished yet.
Addes message to bundle Pose2D and velocity
Merge branch 'master' of github.com:gtagency/buzzmobile
Added dead reckoning localizer logic
Minor bug fixes
Added reference calculations for bicycle model
skeleton node for duo3d camera
Merge branch 'master' of github.com:gtagency/buzzmobile
updated parade launch file
added launch file to record camera and test lane classification from
playback
Simple test node to dump frames from an Image topic at a specified
frequency