Pot Point Cloud isolated
 - new functions for identifying the points belonging to:
   - the planar surface within the volume of interest
   - the Pot within the volume of interest

Don't trigger the other objects perception, for a moment.
Pot Point Cloud segmentation
 - calling PCL functionality for cylinder segmentation
   - still needs to pe tweaked
 - new funtion for separating a point cloud in two other point clouds
   considering the indices of the first one
Debugger extended and Pot walls detected
 - dedicated topics for
   - planar surface points
   - cylindrical surface points