Revisit resize and scroll logic once more

Wait a little longer on initial scroll down. Previous timeout sometimes
triggered before all text is finished rendering.

Remove redundant resize calls.

js/views/conversation_view.js

@@ -45,7 +45,7 @@
             setTimeout(function() {
                 this.view.resize();
                 this.view.scrollToBottom();
-            }.bind(this), 0);
+            }.bind(this), 10);
         },
 
         events: {