fix(builder): fix data container volume mounts

- suppress stdout on docker history

Author: Gabriel Monroy

builder/systemd/deis-builder.service

@@ -3,8 +3,8 @@ Description=deis-builder
 
 [Service]
 TimeoutStartSec=20m
-ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/builder || /usr/bin/docker pull deis/builder"
-ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-builder-data || /usr/bin/docker run --name deis-builder-data -v /buildpacks -v /var/lib/docker/graph deis/data"
+ExecStartPre=/bin/sh -c "/usr/bin/docker history deis/builder >/dev/null || /usr/bin/docker pull deis/builder"
+ExecStartPre=/bin/bash -c "/usr/bin/docker start deis-builder-data || /usr/bin/docker run --name deis-builder-data -v /var/lib/docker deis/data"
 ExecStart=/bin/sh -c "IFACE=$(netstat -nr | grep ^0.0.0.0 | awk '{print $8}') && HOST_IP=$(/bin/ifconfig $IFACE | awk '/inet /{print $2}') && exec /usr/bin/docker run --name deis-builder -p 2222:22 -e PUBLISH=22 -e HOST=$HOST_IP -e PORT=2222 --volumes-from deis-builder-data --privileged deis/builder"
 ExecStop=/usr/bin/docker rm -f deis-builder