Prevent double display on save.

This fixes a "bug" in the x-editable module which was causing the data
to show up twice when the content was saved to the database.

nate-strauser/meteor-x-editable-bootstrap#23

client/views/items/item.html

@@ -8,6 +8,7 @@ <h3>{{title}}</h3>
         <p
           id="textArea"
           class="editable"
+          data-display="false"
           data-type="textarea"
           data-placeholder="Enter text"
           data-emptytext="Click to enter text"