Embryonic action for the analysis of track branches.

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Merge remote-tracking branch 'origin/master' into branch-analysis
WIP: rework the branch analysis.

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
WIP: rework the branch analysis.

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
A working track branch analysis action, that spits division type.

The output is an ImageJ results table that contains for each branch the
nuber opf predecessors, the bnumber of successors, its duration.
The results table is clickable and will set the selection to be the
clicked branch.
Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Merge pull request #49 from fiji/branch-analysis

Branch hierarchy analysis.