Merge branch 'release/3.1.4' into develop

Author: mmistakes

CHANGELOG.md

@@ -1,3 +1,13 @@
+## [3.1.4](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.1.4)
+
+### Enhancements
+
+- Add overlay_filter param to hero headers [#298](https://github.com/mmistakes/minimal-mistakes/pull/298)
+
+### Maintenance
+
+- Fix `www` and `https` links in author profile include [#293](https://github.com/mmistakes/minimal-mistakes/pull/293)
+
 ## [3.1.3](https://github.com/mmistakes/minimal-mistakes/releases/tag/3.1.3)
 
 ### Enhancements