add app creation time

src/views/app.html

@@ -633,12 +633,14 @@
         <div class="row">
           <div class="col-md-12">
             <label class="control-label">Status</label>
-            <p>
+            <div>
                 Version
                 <span class="app-info-meta text-small">{{ app.upstreamVersion }} (Package <a ng-href="/#/appstore/{{app.manifest.id}}?version={{app.manifest.version}}">v{{ app.manifest.version }}</a>) </span>
                 <br/>
                 App ID <span class="app-info-meta  text-small">{{ app.id }}</a> </span>
-            </p>
+                <br/>
+                Installed <span class="app-info-meta  text-small">{{ app.creationTime | prettyDate }}</a> </span>
+            </div>
           </div>
         </div>
         <hr/>