Merge pull request #216 from ijlee2/master-il-10012019

Removed alternate text for es-note component, which will show Zoey or Tomster image

Author: MelSumner

addon/templates/components/es-note.hbs

@@ -9,5 +9,5 @@
       {{/if}}
     </div>
   </div>
-  <img src={{imageUrl}} role="presentation" alt="Ember Mascot">
+  <img src={{imageUrl}} role="presentation" alt="">
 </div>