Most pressing To Dos

[Athelena]

• [x] Stats
• [x] Find false dead-ends
• [ ] Without areal data
• [x] 1 connected component
• [ ] Street orientation graph + map

[liberostelios]

Do the fancy street orientation graphs as well: https://github.com/gboeing/osmnx-examples/blob/v0.11/notebooks/17-street-network-orientations.ipynb