title: Typo3 7.6 Flux backend layout column title
body: <p>I created a basic template with the builder extension. In the page properties I set <code>Backend layout</code> to <code>fuildpages</code> and I see now in the backend the 2 columns that the builder extension created:</p>
  
  <pre><code>&lt;f:section name="Configuration"&gt;
      &lt;flux:form id="standard"&gt;
          &lt;!-- Insert fields, sheets, grid, form section objects etc. here, in this flux:form tag --&gt;
      &lt;/flux:form&gt;
      &lt;flux:grid&gt;
          &lt;!-- Edit this grid to change the "backend layout" structure --&gt;
          &lt;flux:grid.row&gt;
              &lt;flux:grid.column colPos="0" colspan="3" name="main" /&gt;
              &lt;flux:grid.column colPos="1" name="right" /&gt;
          &lt;/flux:grid.row&gt;
      &lt;/flux:grid&gt;
  &lt;/f:section&gt;
  
  &lt;f:section name="Main"&gt;
      &lt;h1&gt;I am a page template!&lt;/h1&gt;
      &lt;p&gt;
          My template file is EXT:my_template/Resources/Private/Page/Standard.html.
      &lt;/p&gt;
      &lt;div style="float: left; width: 75%;"&gt;
          &lt;h2&gt;Content main&lt;/h2&gt;
          &lt;v:content.render column="0" /&gt;
      &lt;/div&gt;
      &lt;div style="float: left; width: 25%;"&gt;
          &lt;h2&gt;Content right&lt;/h2&gt;
          &lt;v:content.render column="1" /&gt;
      &lt;/div&gt;
  &lt;/f:section&gt;
  </code></pre>
  
  <p>But in the backend this columns don't have the names "main" and "right".</p>
  
  <p>In typo3 6.2 this worked with the basic template the builder create. Do I miss something?</p>
  
  <p>And an additional question: Is there a sysext for the default backend layout <code>"Left" "Normal" "Right" "Border"</code>? I wanted to watch there how it is done but I could not find it.</p>