* Implement heading permalinks, close#2246
Thanks to jekyll/jekyll for CSS.
Link anchor is visible when the mouse hovers over the title line.
* Build the updated _main.js
* Fixes aria issues on search form
* Swapping aria-label for <label> tag in search
* Removing background gray caused by adding <form> tag to search
* Removing redundant space
* Making form not submit if key is enter
Close#2180
* Add site subtitle
* Tabs vs spaces - the ancient conflict
* updates cfr PR #2205
* Perhaps also add the closing anchor
* Make sure we check for the right variables...
* Brown paper bag - subtitle, not description
Google+ is being shutdown on April 2, 2019. Social sharing buttong, comment provider, and author link configs have been removed from the theme.
ref: https://support.google.com/plus/answer/9195133
* Add logo and title customization to the masthead
* Adjust config description
* Add test site logo to `/test`
* Document `site.logo` and `site.masthead_title`
* Update CHANGELOG and history
* Add link for testing purposes
* Fix excerpt link positioning in Algolia search results
* Fix Algolia search input color
* Update CHANGELOG and history
Fixes#1903
* Make entire feature item "clickable"
Use a pseudo element on the call to action button to cover the entire feature item and make it "clickable".
* Make entire archive item "clickable"
Use a pseudo element on the `<a>` element to cover the entire archive item and make it "clickable".
* Update CHANGELOG and history
* Reference issue
Adjust minimum and maximum levels to allow all headings and fix CSS to style indentation and nested lists properly in jekyll-toc and Kramdown generated table of contents.
Fixes#1782
