Efficient model#5

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breckbaldwin wants to merge 13 commits intomainfrom

efficient_model

Commits on Jul 25, 2021

Commits on Jul 27, 2021

corrections and typos
Jose Storopoli
committed

Commits on Jul 30, 2021

Commits on Jul 31, 2021

got something closer to Brazil working and UNINOVE model running
breckbaldwin
committed

Commits on Aug 6, 2021