DL-126: Fix the url of distributedlog blog post

fix the url for the blog post and but still keep the wrong url and make it redirect to the right url.

Author: Sijie Guo <sijie@apache.org>

Reviewers: Franck Cuny <fcuny@apache.org>, Leigh Stewart <lstewart@apache.org>

Closes #52 from sijie/sijie/fix_blog_post_url
diff --git a/website/_posts/2016-09-19-kafka-vs-distributedlog.md b/website/_posts/2016-09-19-kafka-vs-distributedlog.md
index b33d86d..ea1ac8d 100644
--- a/website/_posts/2016-09-19-kafka-vs-distributedlog.md
+++ b/website/_posts/2016-09-19-kafka-vs-distributedlog.md
@@ -3,7 +3,8 @@
 title:  'A Technical Review of Kafka and DistributedLog'
 date:   2016-09-19 10:00:00
 categories: technical-review
-permalink: /technical-review/2015/09/19/kafka-vs-distributedlog
+redirect_from:
+- /technical-review/2015/09/19/kafka-vs-distributedlog
 authors:
 - sijie
 ---