Installer files adapted for Release EIGHT and docker tag 8

Change-Id: Ie01d2ede53a0bce7a8c468a5fada65169fe7c7e7
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/docker/osm_pods/keystone.yaml b/installers/docker/osm_pods/keystone.yaml
index 1d1dc91..051d902 100644
--- a/installers/docker/osm_pods/keystone.yaml
+++ b/installers/docker/osm_pods/keystone.yaml
@@ -46,7 +46,7 @@
     spec:
       containers:
       - name: keystone
-        image: opensourcemano/keystone:7
+        image: opensourcemano/keystone:8
         ports:
         - containerPort: 5000
           protocol: TCP