Fix methods visibility

src/app/app.component.ts

@@ -445,7 +445,7 @@ export class AppComponent implements OnInit, OnDestroy, Observer {
 
   // interface Observer
 
-  update(sender: any, data: any): void {
+  public update(sender: any, data: any): void {
     if (sender instanceof FormulaireService) {
       switch (data["action"]) {
         case "createForm":

src/app/components/calculator-list/calculator-list.component.ts

@@ -236,14 +236,14 @@ export class CalculatorListComponent implements OnInit {
 
     // interface Observer
 
-    update(sender: any, data: any): void {
+    public update(sender: any, data: any): void {
         if (sender instanceof I18nService) {
             // reload themes if language changed
             this.loadCalculatorsThemes();
         }
     }
 
-    ngOnInit() {
+    public ngOnInit() {
         this.loadCalculatorsThemes();
     }
 }

src/app/formulaire/definition/form-section.ts

@@ -6,7 +6,7 @@ import { IObservable, Session, SectionNub } from "jalhyd";
 
 export class FormulaireSection extends FormulaireFixedVar {
 
-    update(sender: IObservable, data: any) {
+    public update(sender: IObservable, data: any) {
         super.update(sender, data);
         // changement de propriété du FieldSet contenant le select de choix du type de section
         if (sender instanceof FieldSet && sender.id === "fs_section" && data.action === "propertyChange") {