Update public interface views to reflect changes to the Agents module

Reviewing the current version of the updated agent public interface, it appears that there might be some issues with date display in the interface. In the headings a secondary set of dates appears in parentheses in the heading, while both the date expression and standardized date entries appear for existence dates.

I also wondered in the specification if there were plans for linked controlled vocabulary terms (e.g., places, occupations, subject) to appear in the PUI as links, either in the main, left-hand panel or in the right-hand navigation pane of the agent display. Presenting these links, as well as facets in search, could allow improved browsing and discovery of associated resources.