Bunch small things: Notifs for react, subsplash...

def/post.js

@@ -14,6 +14,8 @@ class Post {
         // Any reaction or comment updates this ts,
         // this will be used as index to query new posts
         this.lastUpdated = info.lastUpdated || this.createdAt;
+        // Add tags to posts
+        this.tags = info.tags;
     }
 
     addComment(comment){
@@ -43,6 +45,7 @@ class Post {
         r.contentHistory = this.contentHistory;
         r.lastUpdated = this.lastUpdated;
         r.toProfile = this.toProfile;
+        r.tags = this.tags;
         return r;
     }
 }