fix: update core and apply stricter tslint rules

src/app/modules/menu/navigation/navigation.component.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2018, 2019 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -26,6 +26,9 @@ import {Component} from '@angular/core';
   templateUrl: 'navigation.html',
 })
 export class NavigationComponent {
+  /**
+   * TODO
+   */
   public pages = [
     {title: 'Search', url: '/search', icon: 'search'},
     {title: 'Settings', url: '/settings', icon: 'settings'},
@@ -35,6 +38,10 @@ export class NavigationComponent {
     // Nothing yet.
   }
 
+  /**
+   * TODO
+   */
+  // tslint:disable-next-line:prefer-function-over-method
   ionViewDidLoad() {
     // console.log('ionViewDidLoad MenuPage');
   }