Implement ROS Joy Node for RC Control

[alanssitis]

Description

Implement a node which utilizes ROS's Joy implementation (for joystick controllers) to have the joystick controller act as the remote control for the kart. This should be done by having the node make changes to the topic cmd_vel.

Sub-tasks

• [ ] Implement Joy into node.
• [ ] Have node publish and make changes to cmd_vel

Resources

• http://wiki.ros.org/joy
• http://wiki.ros.org/joy/Tutorials/ConfiguringALinuxJoystick
• http://wiki.ros.org/joy/Tutorials/Joystick%20Teleoperation%20Node%20for%20a%20robotic%20arm

[alanssitis]

Outside discussions with Electrical and Mechanical Sub-Team. Will move RC control under Electrical in order to expedite on-ground testing.