Move to 0.0.2 and add TrackMate as a dependency.

Signed-off-by: Jean-Yves Tinevez <jeanyves.tinevez@gmail.com>
A class to split tracks by thresholding the instantaneous velocity.

And a skeleton action that uses it for analysis.
Signed-off-by: Jean-Yves Tinevez <jeanyves.tinevez@gmail.com>