Conditionally add the default NarrativeGenerator to the context

#182

src/main/java/ca/uhn/fhir/jpa/starter/AppProperties.java

@@ -52,6 +52,7 @@ public class AppProperties {
   private ClientIdStrategyEnum client_id_strategy = ClientIdStrategyEnum.ALPHANUMERIC;
   private List<String> supported_resource_types = new ArrayList<>();
   private List<Bundle.BundleType> allowed_bundle_types = null;
+  private Boolean narrative_enabled = true;
 
   private Validation validation = new Validation();
   private List<Tester> tester = ImmutableList.of(new Tester());
@@ -371,6 +372,16 @@ public class AppProperties {
     this.tester = tester;
   }
 
+  public Boolean getNarrative_enabled()
+  {
+    return narrative_enabled;
+  }
+
+  public void setNarrative_enabled(Boolean narrative_enabled)
+  {
+    this.narrative_enabled = narrative_enabled;
+  }
+
   public static class Cors {
     private Boolean allow_Credentials = true;
     private List<String> allowed_origin = ImmutableList.of("*");