Download short format logs from web ui

Fixes #304

webadmin/src/views/support.html

@@ -29,13 +29,16 @@
             <div class="row animateMeOpacity">
                 <div class="col-lg-12">
                     <h3>Logs</h3>
+                    Select the log to download
+                    <br/>
+                    <br/>
                     <form name="logsForm">
                         <div class="form-group">
                             <select class="form-control" name="type" style="width: 50%;" ng-model="logs.selectedUrl" required>
                                 <option ng-repeat="log in logs.types" ng-value="log.url">{{ log.name }}</option>
                             </select>
                         </div>
-                        <a class="btn btn-primary" ng-href="{{logs.selectedUrl}}" target="_self"> Download </a>
+                        <a class="btn btn-primary" ng-disabled="!logs.selectedUrl" ng-href="{{logs.selectedUrl}}&format=short&lines=800" target="_self"> Download </a>
                     </form>
                 </div>
             </div>