Stable version used in workshops

I can't make an exhaustive list of changes since the last release since there have been 800 commits since then. I promise to do a better job of keeping release notes going forward.

In sum, this model runs the 4 scenarios used in the workshops, which will be documented in the baus_docs repository. The major innovations here are around the account system which is used to subsidize housing in sustainable locations and/or to fund affordable housing.

The hlcms are segmented by income quartile and the elcms by sector. The hedonics include a number of accessibility variables and neighborhood demographic variables.

There are a huge number of outputs, including summaries at the TAZ, jurisdiction, and superdistrict level, which are viewable in map form as well. There are also parcel level debugging csvs for all new developments that come out of the simulation, and there is a much larger csv which includes all buildings in the base and horizon years which provide the most disaggregate information for debugging.

Hooray for release 0.2!