added cloud segmentation and improved ecto cell
completed ROS node & ecto cell (added cloud segmentation)
ros node improvements
cleanup and slight fixes for ros node and ecto cell
updated python setup
copyright update
fixes the original #6
fixes #6 for good
remove a catkin warning
comply to the new BlackBox API
comply to the new DB API
comply to the new ORK API
fix #8
Fixes #11
PCL is only useful for ROS
this is a catkin package so we should not need those anymore
comply to the tighter BlackBox