- adds the geo-centroid metric as the new default for visualizations
- various bug fixes and improvements
- avoid unnecessary calls to manifest
- avoid map flicker when zooming
- enable scroll/pinch/touch zooming
- avoid heatmap errors
- ensure map fills screen in dashboard
- ensure fit works consistently
- relax tilemap constraints
- remove support for multi-maps
- this refactor sets the stage for new vector map visualization which will reuse the same map components
556bfab85d