Merge branch 'patch-5' into 'master'

wiki VNFD changes.

See merge request !138

wiki_webserver_autoscale_vnfd/wiki_webserver_autoscale_vnfd.yaml

@@ -17,7 +17,7 @@ vnfd:
                     -   id: apache_vdu
                         number-of-instances: 1
             id: apache_vdu_autoscale
-            max-scale-level: 10
+            max-scale-level: 4
             name: apache_vdu_autoscale
             scaling-policy:
             -   cooldown-time: 180
@@ -27,7 +27,7 @@ vnfd:
                     scale-in-relational-operation: LT
                     scale-in-threshold: 20
                     scale-out-relational-operation: GT
-                    scale-out-threshold: 80
+                    scale-out-threshold: 60
                     vnf-monitoring-param-ref: apache_vnf_cpu_util
                 scaling-type: automatic
                 threshold-time: 10