Get rid of mapnik. Use leaflet GeoJSON instead.
Coloring leaflet features
Update the tasks that have been modified on the server
Mapnik doesn't need to be installed on travis instances
Fixing flake8 warnings
With tests for check_for_update and tasks.json views
Check if updated is available
Selected task style less intrusive
Merge pull request #82 from pgiraud/remove_mapnik

Remove mapnik