Include spending and deficit in chart with revenues

[anderspeders]

This will require a data package of the IMF spending / deficit data: https://docs.google.com/spreadsheets/d/17nA4Z0BUx38A7x_Wds7Eo939dLR9Scp-KcxQiPCvNv4/edit#gid=631891038

tbc with Daivd and Giorgia

[anderspeders]

Here is the dtaa package which @byndcivilization has used before for this:

http://data.okfn.org/data/core/imf-weo

[anderspeders]

Is this still on the list for add-ons?

[markbrough]

Implemented in a39b53fd1307124eaa888e1951f98f9f1cc3218c