Improve display of tasks status

UI/WebServerResources/js/Scheduler/Component.service.js

@@ -698,7 +698,7 @@
    */
   Component.prototype.enablePercentComplete = function() {
     return (this.type == 'task' &&
-            this.status != 'not-specified' &&
+            this.percentComplete > 0 &&
             this.status != 'cancelled');
   };
 

UI/WebServerResources/scss/views/SchedulerUI.scss

@@ -647,6 +647,12 @@ $quarter_height: 10px;
   }
 }
 
+/* Tasks list */
+
+.cancelled .sg-md-subhead {
+  text-decoration: line-through;
+}
+
 /* Attendees dialog Editor */
 .attendees {
   max-height: ($list-item-height * 20); // show a maximum of 20 attendees