Add log to see if we ever fetch while fetching

// FREEBIE

js/views/conversation_view.js

@@ -295,6 +295,9 @@
         fetchMessages: function() {
             console.log('fetchMessages');
             this.$('.bar-container').show();
+            if (this.inProgressFetch) {
+              console.log('Multiple fetchMessage calls!');
+            }
             this.inProgressFetch = this.model.fetchContacts().then(function() {
                 return this.model.fetchMessages().then(function() {
                     this.$('.bar-container').hide();