Fixed a bug and increased compatibility

src/app/app.component.ts

@@ -35,6 +35,9 @@ export class AppComponent {
       this.postsService.path = backendUrl;
       this.postsService.startPath = backendUrl;
       this.postsService.startPathSSL = backendUrl;
+    },
+    error => {
+      console.log(error);
     });
   }
 

src/app/app.module.ts

@@ -9,6 +9,7 @@ import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
 import { HttpModule } from '@angular/http';
 import { HttpClientModule } from '@angular/common/http';
 import { PostsService } from 'app/posts.services';
+import {APP_BASE_HREF} from '@angular/common';
 
 @NgModule({
   declarations: [

src/app/posts.services.ts

@@ -66,11 +66,9 @@ export class PostsService {
     }
 
     loadNavItems() {
-        return this.http.get("../../backend/config/default.json")
+        console.log("Config location: " + window.location.href + "backend/config/default.json");
+        return this.http.get(window.location.href + "backend/config/default.json")
                         .map(res => res.json());
-                        //This is optional, you can remove the last line 
-                        // if you don't want to log loaded json in 
-                        // console.
     }
 }