Add a tag to notifications so they can clobber. Fixes element-hq#159.

kegsay · kegsay · commit 58bac0fbdc9e · 2015-10-26T16:56:44.000Z
This is the same fix we applied to angular to fix this problem in SYWEB-21.
diff --git a/src/skins/vector/views/organisms/Notifier.js b/src/skins/vector/views/organisms/Notifier.js
@@ -66,7 +66,8 @@ var NotifierView = {
             title,
             {
                 "body": msg,
-                "icon": avatarUrl
+                "icon": avatarUrl,
+                "tag": "vector"
             }
         );
 
