Changed references to tcpcloud/ docker images to mirantis/

Change-Id: Id91481df94c9f6d7e4dd824a5ddb3e637254f34d
diff --git a/docker/swarm/stack/jenkins/master.yml b/docker/swarm/stack/jenkins/master.yml
index d08bf71..890f8da 100644
--- a/docker/swarm/stack/jenkins/master.yml
+++ b/docker/swarm/stack/jenkins/master.yml
@@ -2,7 +2,7 @@
 - system.docker
 parameters:
   _param:
-    docker_image_jenkins: tcpcloud/jenkins:2.100
+    docker_image_jenkins: mirantis/jenkins:2.100
     jenkins_master_extra_opts: ""
     jenkins_master_executors_num: 4
     jenkins_master_max_concurent_requests: 40