Merge pull request #1241 from tuulos/patch-1

add AdRoll to the list of Luigi users

README.rst

@@ -148,6 +148,7 @@ Several companies have written blog posts or presentation about Luigi:
 * `SeatGeek <http://chairnerd.seatgeek.com/building-out-the-seatgeek-data-pipeline/>`_
 * `Treasure Data <http://blog.treasuredata.com/blog/2015/02/25/managing-the-data-pipeline-with-git-luigi/>`_
 * `Growth Intelligence <http://www.slideshare.net/growthintel/a-beginners-guide-to-building-data-pipelines-with-luigi>`_
+* `AdRoll <http://tech.adroll.com/blog/data/2015/09/22/data-pipelines-docker.html>`_
 
 Please let us know if your company wants to be featured on this list!