added scaling states

src/main/java/net/geant/nmaas/nmservice/deployment/entities/NmServiceDeploymentState.java

@@ -37,7 +37,13 @@ public enum NmServiceDeploymentState {
     UPGRADED(true, true),
     UPGRADE_FAILED(false, false),
     ERROR(false, false),
-    FAILED_APPLICATION_REMOVED(false, false);
+    FAILED_APPLICATION_REMOVED(false, false),
+    SCALE_DOWN_INITIATED(true, false),
+    SCALED_DOWN(true, false),
+    SCALE_DOWN_FAILED(false,false),
+    SCALE_UP_INITIATED(false, false),
+    SCALED_UP(false, true),
+    SCALE_UP_FAILED(false,false);
 
     private boolean isRunning;