To use, just set an `author` filter to a username in instances of the Pages or Featured widget:
```
[content.filters]
tag = ""
category = ""
publication_type = ""
author = "admin"
```
Close#1422
To add a "See all" link underneath featured content, set `link_to_archive = true` under the `[content]` section in the front matter of the Featured widget.
Blackfriday automatically wraps Markdown `Content` text in `<p>` tags.
No need to wrap in additional `<p>` tags (which is also invalid HTML).
See #1197
date, time_start, time_end renamed to publishDate, date, date_end,
respectively.
BREAKING CHANGES: Rename above 3 options in front matter of all talks.
Also, refactor the 404 page so that it just lists the latest 10 pages
overall. This is a more flexible approach than separately listing the
latest pages for only a few different types of content.
See #721