Add logs support for Swarm by bumping versions

Signed-off-by: Alex Ellis <alexellis2@gmail.com>

docker-compose.yml

@@ -3,7 +3,7 @@ services:
     gateway:
         ports:
             - 8080:8080
-        image: openfaas/gateway:0.13.9
+        image: openfaas/gateway:0.15.4
         networks:
             - functions
         environment:
@@ -73,7 +73,7 @@ services:
     faas-swarm:
         volumes:
             - "/var/run/docker.sock:/var/run/docker.sock"
-        image: openfaas/faas-swarm:0.6.2
+        image: openfaas/faas-swarm:0.7.1
         networks:
             - functions
         environment: