Merge branch 'bugfix/LGR-77' into 'develop'

[LGR-77] - Spinning Wheel does not stop if a blank response is returned

See merge request alexander.lovett/looking-glass!7

package.json

 {
   "name": "looking-glass",
-  "version": "2.0.13",
+  "version": "2.0.14",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",

src/app/interfaces/components/results/results.component.ts

@@ -61,7 +61,7 @@ export class ResultsComponent implements OnInit {
           var results = context.queryResults$;
           results.filter(r => r.getHost() == result.getHost()).forEach(
             r => {
-              r.output = result.getOutput();
+              r.output = result.getOutput() !== null && result.getOutput() !== '' ? result.getOutput() : "Router returned empty response";
               r.duration = result.getDuration();
             }
           );