Merge branch 'hotfix/3.3.6' into develop

Merge branch 'hotfix/3.3.6'

Fix blank `site.teaser` bug
- Use `assign` instead of capture and then check if variable is `nil` or not.
- Close #412

Merge branch 'release/3.3.1'

Improve link posts in archive listings
- Remove `target="_blank"` anti-pattern
- If link post point title to source article
- Switch star icon to a link to indicate "permalink" and markup semantically with `rel="permalink"`
- Reduce opacity of permalink icon
- Adjust hover styles due to shuffling around <a> element
- Close #276

Merge branch 'release/3.2.3'

Replace contains "http" with contains "://"

Merge branch 'release/3.0.0'

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

Make base_path available to all includes that need it

Remove site.read_time condition

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

Remove alt from teaser image

Create includes for greater layout flexibility

Add reading time to archive layout and include icon

Merge branch 'feature/visual-refresh' into develop

DRY up archive include
- Combine grid and list view into one include

Create grid styling for related posts module
- Add default teaser image
- Disable image watch gulp task