[CORD-1481]
Update Ansible and docker-compose

Change-Id: Ifc48827de42a1677d19b2826c6d1047d96a21bcf
diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index dce0498..4852e25 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -1,4 +1,4 @@
 ---
 
-docker_apt_repo: "deb https://apt.dockerproject.org/repo ubuntu-trusty main"
+docker_apt_repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"