`ariz` improvements

[grossir]

We can get these fields:

• judges
• per curiam
• summary (The text labeled with "Constitutionality Decision" for the Supreme Court; and the div "trSummary" for the Appellate divisions)

About "Constituionality Decision"

• The Arizona Legislature has directed the Commission on Judicial Performance Review to specifically identify opinions in which an appellate court has declared a state statute to be constitutional or unconstitutional, and to further identify the provision of the Arizona or United States Constitution on which the court’s analysis is based.

[grossir]

The Site also needs to be properly refactored into OpinionSiteLinear; WIP is here