Make nova read config files for Kilo

In Kilo, nova no longer reads the config files automatically.  They must
be specified in the command line to run the nova-* tools.

Change-Id: Ifbdf4fd3f952f7bb65e9937b46cf9b96e262c3b0
Paritally-Impleents: blueprint port-kilo

docker/nova-compute/nova-compute/start.sh

@@ -7,4 +7,4 @@ set -e
 sleep 6
 
 echo "Starting nova-compute."
-exec /usr/bin/nova-compute
+exec /usr/bin/nova-compute --config-file /etc/nova/nova.conf

docker/nova-compute/nova-network/start.sh

@@ -5,4 +5,4 @@ set -e
 . /opt/kolla/config-nova-network.sh
 
 # Start nova-network
-exec /usr/bin/nova-network
+exec /usr/bin/nova-network --config-file /etc/nova/nova.conf

docker/nova-controller/nova-api/start.sh

@@ -43,4 +43,4 @@ crux endpoint-create --remove-all \
     -P "http://${PUBLIC_IP}:8774/v3" \
     -A "http://${NOVA_API_SERVICE_HOST}:8774/v3"
 
-exec /usr/bin/nova-api
+exec /usr/bin/nova-api --config-file /etc/nova/nova.conf

docker/nova-controller/nova-conductor/start.sh

@@ -21,4 +21,4 @@ EOF
 
 nova-manage db sync
 
-exec /usr/bin/nova-conductor
+exec /usr/bin/nova-conductor --config-file /etc/nova/nova.conf

docker/nova-controller/nova-scheduler/start.sh

@@ -12,4 +12,4 @@ cfg=/etc/nova/nova.conf
 # configure logging
 crudini --set $cfg DEFAULT log_file "${NOVA_SCHEDULER_LOG_FILE}"
 
-exec /usr/bin/nova-scheduler
+exec /usr/bin/nova-scheduler --config-file /etc/nova/nova.conf