updated all instances of restart always to restart on-failure with a max of 5 times

roles/etcd/templates/deb-etcd-docker.initd.j2

@@ -17,7 +17,7 @@ DESC="etcd k/v store"
 NAME=etcd
 DAEMON={{ docker_bin_dir | default("/usr/bin") }}/docker
 DAEMON_EXEC=`basename $DAEMON`
-DAEMON_ARGS="run --restart=always --env-file=/etc/etcd.env \
+DAEMON_ARGS="run --restart=on-failure:5 --env-file=/etc/etcd.env \
 --net=host \
 -v /etc/ssl/certs:/etc/ssl/certs:ro \
 -v /var/lib/etcd:/var/lib/etcd:rw \