Merge branch 'changelog-7.2.0' into 'master'

Add changelog for 7.2.0

See merge request gitlab-org/gitlab-workhorse!327

CHANGELOG

@@ -2,11 +2,15 @@
 
 Formerly known as 'gitlab-git-http-server'.
 
-v 7.1.1
+v 7.2.0
 
 - Update CI matrix to go1.10 + go1.11 and fix ResponseWriter bugs !309
 - Add support for Redis URLs (redis:// and rediss://) in Workhorse !321
 
+v 7.1.1
+
+Bad release, use 7.2.0 instead.
+
 v 7.1.0
 
 - Add structured logFormat for text based logging !275

VERSION

-7.1.1
+7.2.0