Change the key of the Track spot intensity analyzer.

To avoid key clashes with generic names.
Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
VelocityAnalysis: make the exported table interactive.

Clicking on a line selects the corresponding track.
Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Merge branch 'master' of github.com:tinevez/Optofluidics