Merge branch 'release/4.0.4'

Conflicts:
	README.md

Merge branch 'feature/theme-gem' into develop

Add default config and home index page

Move image assets in `/assets/images`

Merge branch 'release/3.3.5'

Add `en` default text to `site.locale` strings
- Close #407

Merge branch 'release/3.1.7'

Merge branch 'feature/translate-recent-posts-title' into develop

Merge branch 'master' of https://github.com/flohw/minimal-mistakes into feature/translate-recent-posts-title

Translate index page title

Merge branch 'release/3.0.0'

Merge branch 'feature/remove-sample-files' into develop

Reduce config to bare minimum and remove sample content

Merge branch 'feature/documentation-and-demo' into develop

Remove overlay header to simplify page

Add post pagination to sidebar and make minor styling alterations

Merge branch 'feature/spit-and-polish' into develop

Add test content

Make minor adjustments

Merge branch 'feature/visual-refresh' into develop