Added support for the parameter server on the odometry and motor_control nodes. For the motor control, at least for now, I think receiving the PID values over message, for tuning, is faster than adjusting them one by one on the server, so I only added support to the dimensions of the robot.
Added a theia_params rosparam file. The parameters for 'roslaunch' and 'run_id' seem to be dependant on my system, though.
Added parameter server support to the control_mux. V_MAX and W_MAX are set on the server, so we can change the linear and angular velocity commands we send over the keyboard.
Merge branch 'add_rosparam_support'