Main updates
* New all python training data generation interface, `cellfinder_curate`. Details [here](https://sainsburywellcomecentre.github.io/cellfinder/main/user_guide/training.html)
Developers
* Heatmap and converting cells to brainrender format moved to [neuro](https://github.com/SainsburyWellcomeCentre/neuro)
* Lots of utility functions moved to [imlib](https://github.com/adamltyson/imlib)
* Automatic deployment with Travis