* 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
* add `[params.projects]` config section to `config.toml`
* add `projects = [""]` array to publication and talk frontmatter
* project page: Add backwards compatible child list which considers
both new `projects` array and`url_project`
* update archetypes
* update example site
* update publication button links to consider `projects` array
* update talk button links to consider `projects` array
* remove details button from talk links to be consistent with publication links
* 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)
* Post, Publication, and Talk nodes can now have a `_index.md` file with title and content.
* Example `_index.md` content files added to Example Site.
* Hugo v0.18+ required.
- 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