Merge branch 'release/4.1.0'

Fix link to Discourse.org homepage in noscript section (#699)

Merge branch 'release/4.0.5' into develop

Replace `base_path` with `absolute_url` filter

Merge branch 'release/3.2.3'

Merge branch 'feature/discourse-comments' into develop

Remove last blank line

Merge branch 'feature-discourse-comments' of https://github.com/rriemann/minimal-mistakes into feature/discourse-comments

take into account an optional basepath

javascript to embed comments from discourse forum

The comment system can be changed to embed topics from the Discourse
forum software: http://discourse.org/

More details: https://meta.discourse.org/t/embedding-discourse-comments-via-javascript/31963