Bumped the following plugins and dependencies:
- Jekyll Sass Converter v.1.5.2
- GitHub Pages Health Check v1.4.0
- Jekyll Redirect From v0.13.0
- Jekyll Sitemap v1.2.0
- Jekyll Feed v0.9.3
- Jekyll Gist v1.5.0
- Jekyll Coffeescript v1.1.1
- Jekyll SEO Tag v2.4.0
- Jekyll GitHub Metadata v2.9.4
- Jemoji v0.9.0
- Jekyll Mentions v1.3.0
- Jekyll Titles from Headings v0.5.1
- Minima v2.4.0