Head Client

There is also a need for an orthogonal that controls the movement of the head.

Autocentering Functionality that keeps target in the center of the screen
Pan Scan
Tilt Scan

Direct control
in Joint Trajectory. Create a Trajectory Action Server Goal, put a couple of vectors with the state in time,
vector that goes, 10,11,12….90 degrees

control_msgs:FollowJointTrajectoryAction

with New Client. Direct controller client for ros_control.

Fetch head_controller client