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 jekyll-include-cache plugin
* Cache "static" includes to improve build performance
* Update CHANGELOG and history
"Static" refers to those includes that don't rely on data passed from the page content.
Deprecate hardcoded footer links in favor or new `footer.links` array for any link and in any order. All of Font Awesome's icons are available for use.
```
footer:
links:
- label: "Twitter"
icon: "fab fa-fw fa-twitter-square"
url: "https://twitter.com/username"
- label: "GitHub"
icon: "fab fa-fw fa-github"
url: "https://github.com/username"
- label: "Instagram"
icon: "fab fa-fw fa-instagram"
url: "https://instagram.com/username"
```
Deprecate social networking links in `_config.yml` in favor or new `author.links` array for any link and in any order. All of Font Awesome's icons are available for use.
```
author:
links:
- label: "Your Website"
icon: "fas fa-fw fa-link"
url: "https://your-site.com"
- label: "Twitter"
icon: "fab fa-fw fa-twitter-square"
url: "https://twitter.com/username"
- label: "GitHub"
icon: "fab fa-fw fa-github"
url: "https://github.com/username"
- label: "Instagram"
icon: "fab fa-fw fa-instagram"
url: "https://instagram.com/username"
```
Fixes#1581
* Remove Lunr trimmer & bring back colons
* Add Greek Stemmer
* Translate search_placeholder_text and results_found to Greek
* Minimize JSON data
* Truncate Words
* Move store variable into a new file
* Move Lunr files into a new folder
* Add defer to lunr scripts
* Add search_full_content switch
* Add YIQ Color Contrast mixin
* Remove text underline from `.btn` links
* Move YIQ variables
* Simplify button classes using YIQ color contrast mixin
- DRY up button CSS using Sass list and YIQ color contrast mixin.
- Move `color` and `background-color` to new `btn--primary` class instead of assinging on the default class. Removes the need to override them.
* Add `.btn--primary` to buttons that just had `.btn`
* Apply changes to `/docs`
* Add `.btn--primary` class
* Update CHANGELOG and history
* Add sample form
* Abstract colors away into Sass variables for easier themeing
* Add "dark" skin
* Replace hardcoded color with SCSS variable
* Invert Font Awesome icons' colors in author sidebar and footer
* Add Sass changes to `/docs`
* Use primary button type instead of inverse
* Add missing `!default` on `$muted-text-color`
* Add `contrast` and `sunrise` skin colors
* Add `dirt` skin color
* Add `air` skin color option
* Add `mint` skin color
* Add `btn--primary` class to Submit Comment button
* Set skin to `default`
* Document skin color options
* Add note about skin SCSS import
Close#1208