[jekyll] Split layout into partials (using includes)
[style] Update styles
[style] Some more (temporary?) changes
[style] Apply a different theme

- I like this one
[jekyll] Use new partial for post template

- Comments have been removed; might want to add them back for
  older posts
[jekyll] Change 'labels' to 'category'
[style] More CSS tweaks

- Changed footer solid symbol to outline
[style] Update hr style
[layout] Show only one post on the homepage (for now)
[style] Use Myth for preprocessing CSS

- Variables are good, don't need anything fancier for now
[style] Typefaces: use variables and @font-face
[style] Clean up css

- Put properties in alphabetical order
- Removed extra properties
[style] Update site header link colors

- Added hover color
- Added different color for non-blog links
[style] Format image captions

- Added style for <figcaption>
[jekyll] Complete usage of partials

- Removed old templates
- Enabled markdown filter for post pages
- Removed `layout` from atom.xml (Jekyll was complaining)
- Fixed config to stop Jekyll from complaining
[style] Add generated css to version control

- So that GitHub gets it