Comment config.rb
Add Article template for written posts

- Specify layout in posts
Update Split Component

- Move variables to Config
- Remove comments
Add Ruby version
Update to MVCSS v4.0.1
Activate syntax highlighting
Fix code block whitespace
Add syntax highlighting styles

- Add Vendor/Highlight
- Update `application.sass`
Activate Markdown footnotes
Update posts to Markdown guidelines

- Change code blocks to fenced
- Change footnote markers to Redcarpet
- Change footnote definitions to Redcarpet
- Change emphasis from asterisks to underscores
- Remove excessive `kbd` elements
- Rename link and image declarations