Improve pagination links and text in template.

This should correct various issues with pagination in the press
releases.

Attempt to use Django 1.7 Paginator object.

Upon reading
https://docs.djangoproject.com/en/1.7/topics/pagination/#using-paginator-in-a-view

I wonder if we should simply follow this model for pagination of news
items. I've attempted to adapt that herein. This is a first attempt
and likely will have issues.

Rework of about section, including many content changes and a few
formatting ones.