Fix: exception when there is not timestamp.
Added a simple timer to measure performances.
Now merge all POV into one object (point cloud in that case).
Implemented simple object selection in scene.
Fix: issue with alpha when there is not object matching.
Added messages with selection.
Added a form dialog to store object rigid transformations.
Now handle rigid transformations on model matrix.
Added scaling transformation just in case...
Fix: issue related to group clipping.
Now merge clouds with transformed positions.
Fix: merge commits from ETS lab.