Replace base_path with `absolute_url` filter where possible

Merge branch 'release/3.4.3'

Make "honeypot" input less obvious for spam bots

Merge branch 'hotfix/3.4.2' into develop

Merge branch 'hotfix/3.4.2'

Improve UX of comment form
- Remove modal and insert notices above submit button
- Disable form on successfully submission
- Add "loading..." icon and text to button on submit
- Remove unused text string translations

Merge branch 'release/3.4.0'

Merge branch 'feature/staticman-commenting' into develop

Move comments above form elements and add missing English UI text strings

Add includes for static-based comments powered by Staticman
- Configure Staticman with sane defaults
- Build comment form to capture new comments and ajax data to Staticman
- Build comments view that iterates over `_data/comments/post-slug/*.yml` files

Merge branch 'release/3.3.5'

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

Merge branch 'release/3.0.0'

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

Make base_path available to all includes that need it

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

Fix collapsing floats

Organize comments providers includes and make FB fill parent container

Merge branch 'feature/visual-refresh' into develop

Merge branch 'feature/refactor-includes-layouts' into develop