Mapping

[valentineap]

I have Cartopy-induced rage. Why is the documentation so poor?

Aaaanyway.

https://github.com/valentineap/ComputationalGeoscienceCourse/tree/master/Practicals/Exercise%2016%20-%20Maps

[charlesll]

Review, corrected a few typos, seems good and complete for a starting point.

[rebecca-mcgirr]

Finished testing, no changes to make.