modified lm4fJoystick node to act differently between navstack and joystick control, renamed joystick.launch to launch.launch cause all the kids are doing that these days
renamed lm4fJoystick node, updated joystick and navstack launch files
updated ekf launch file, fixed lm4f node to publish empty messages as soon as it starts
made gps added to ekf optional, added debugging statements to ekf, fixed angle wrapping error
Merge branch 'master' of https://github.com/ut-ras/IGVC2014
Merge branch 'master' of https://github.com/ut-ras/IGVC2014
fixed ekf time bug
removed debugging statements in ekf
removed I term in PID, josh tweaked camera orientation, removed gps/ins msgs from vn200, lowered yaw goal tolerance, increase angle_inc param to cloud_assimilator, tweaked init polygon samples, remapped vel_cmd to cmd_vel, fixed angular vel bug?, something to do with real_vision_test
made a launch file to test barrel bag
Merge branch 'master' of https://github.com/ut-ras/IGVC2014

Conflicts:
	ros_groovy_workspace/src/rasputin_2dnav/launch/perception.launch