Remove redundant files

src/app/editor.directive.ts

@@ -25,7 +25,7 @@ export class EditorDirective implements OnChanges {
   }
 
   ngOnChanges() {
-    this.editor.setValue(this.sourceText || 'no source');
+    this.editor.setValue(this.sourceText || 'loading...');
     if (this.sourceLine) {
       var line = this.sourceLine - 1;
       this.editor.scrollIntoView({line: line + 30, ch: 0});

src/app/source-view/source-view.component.html

-<p>
-  source-view works!
-</p>

src/app/source-view/source-view.component.ts

@@ -12,7 +12,7 @@ import {SourceService} from '../source.service';
 })
 export class SourceViewComponent implements OnInit {
   source: string;
-  line = 0;
+  line: number;
 
   constructor(private sourceService: SourceService,
       private route: ActivatedRoute) { }