Motile-tracker

- export groups features correctly into one column
- contour viewing efficiency improved

What's Changed
* Bugfix: convert dask array input segmentation to in-memory numpy array by AnniekStok in https://github.com/funkelab/motile_tracker/pull/161


**Full Changelog**: https://github.com/funkelab/motile_tracker/compare/v3.1.2...v3.1.3

Improvements on viewing and selecting nodes that are part of a user-defined group.

What's Changed
* Bugfix: move the export to csv to the trackslist by AnniekStok in https://github.com/funkelab/motile_tracker/pull/148


**Full Changelog**: https://github.com/funkelab/motile_tracker/compare/v3.1.1...v3.1.2

What's Changed
* move the export to csv to the trackslist by AnniekStok in https://github.com/funkelab/motile_tracker/pull/148
* convert dask array input segmentation to in-memory numpy array by AnniekStok in https://github.com/funkelab/motile_tracker/pull/161
* implement a widget for assigning nodes to groups.

**Full Changelog**: https://github.com/funkelab/motile_tracker/compare/v3.1.1-dev...v3.1.2-dev

What's Changed
* Bugfix: Get segmentation from page only if it exists by cmalinmayor in https://github.com/funkelab/motile_tracker/pull/144


**Full Changelog**: https://github.com/funkelab/motile_tracker/compare/v3.1.0...v3.1.1