Merge pull request #769 from andreasbrett/patch-5

show beat.msg only if available

src/components/HeartbeatBar.vue

@@ -167,7 +167,7 @@ export default {
         },
 
         getBeatTitle(beat) {
-            return `${this.$root.datetime(beat.time)} - ${beat.msg}`;
+            return `${this.$root.datetime(beat.time)}` + ((beat.msg) ? ` - ${beat.msg}` : ``);
         }
     },
 }