Merge pull request Unidata#1355 from dopplershift/0.12-backports

More backports for 0.12

MNT: PyPI status classifier needs to be beta for RC release

MNT: Update mailmap

Merge pull request Unidata#1210 from akrherz/avoid_pint_trouble

avoid pint trouble with np.asarray

Merge pull request Unidata#1182 from dopplershift/rearrange

Update Project Layout

remove link to ejssm article

Merge pull request Unidata#989 from dopplershift/declarative

Declarative/simplified plotting

BUG: Set default edgecolor on counties.

Extracted out of bb5f920 for the bugfix release.

Merge pull request Unidata#931 from jrleeman/pooch_version

Fix pooch path

Merge pull request Unidata#927 from jrleeman/county_features

Add US County features