* Add `time_format` variable to `config.toml`
* Enables customizing talk time between am/pm or 24h format
* Correct Go date format URL in documentation
* show start and end times on talk page
* add `time_start` to talk frontmatter, e.g. `2030-06-01T13:00:00`
* add `time_end` to talk frontmatter, e.g. `2030-06-01T15:00:00`
* update format of talk listings, adding time metadata
* About widget interests list
* Talk abstracts
* Breaking change: math in talk abstracts may require extra escaping
* Contact widget: support multiline address
* Talk page: Add noopener to _blank link target
* feature is consistent across Posts, Projects, Talks, Publications, and nodes (#105)
* `image` parameter is moved under a `[header]` section at the end of existing content's frontmatter
* `caption` parameter can be used to specify image credit/caption (#103)
* set `preview = false` under `[header]` to hide a post's thumbnail on homepage (#113)
* add example of customizing a taxonomy list page at `/tags/academic/`
* revert i18n->hard-coded change for node page titles (#118)
* Limit paragraph width to optimize readability on large screens (#97)
* Markdownify publication authors (#101)
* Improve padding of first homepage widget (#98)
- improves format of simple lists (`detailed_list = false`) for Talks widget
- fixes date to use user defined date format from `config.toml`
- hides 'Links' row if no `url_...` params are set in talk front matter
- introduces optional `location` param for event location
- adds `event_url` which if defined, turns event name into a link on talk detail page