Add @daamien to list of maintainers in the Docker Hub readmes

Author: tarleb

docs/sections/quick-reference.md

@@ -9,11 +9,11 @@ Quick Reference
 
   - **Source repository**: [pandoc/dockerfiles] on Github
 
-  - **Maintained by**: [Albert Krewinkel], [Stephen McDowell], and
-    [Caleb Maclennan].
+  - **Maintained by**: [Albert Krewinkel], [Caleb Maclennan], and
+    [Damien Clochard].
 
 [pandoc-discuss]: https://groups.google.com/forum/#!forum/pandoc-discuss
 [pandoc/dockerfiles]: https://github.com/pandoc/dockerfiles
 [Albert Krewinkel]: https://github.com/tarleb
-[Stephen McDowell]: https://github.com/svenevs
 [Caleb Maclennan]: https://github.com/alerque
+[Damien Clochard]: https://github.com/daamien