pass the original story URL to all comments for notification email

models/Comment.js

@@ -6,6 +6,10 @@ var commentSchema = new mongoose.Schema({
         type: String,
         required: true
     },
+    originalStoryLink: {
+      type: String,
+      default: ''
+    },
     body: {
         type: String,
         default: ''
@@ -36,4 +40,4 @@ module.exports = mongoose.model('Comment', commentSchema);
  type: mongoose.Schema.Types.ObjectId,
  ref: 'User'
  },
- */
+ */