Add bytes per pixel to image step.
Cleanup camera & device vars.
Only use camera features that are implemented in the camera.
Added parameters for focuspos, mtu, and useAutoContrast.
Improve logic in CreateStream().
Add some test code to print all camera feature values.
ros::spinOnce() on a more regular basis.
Fix a bug with setting the initial ROI.
Added the dynamic_reconfigure .cfg file for focuspos.
CMakeLists to build RelWithDebInfo