doc/lib: Rename SectionRenderer to DocSectionRenderer

refs #6630

modules/doc/application/views/scripts/chapter.phtml

@@ -2,5 +2,5 @@
     <?= /** @type \Icinga\Web\Widget\Tabs $tabs */ $tabs->showOnlyCloseButton() ?>
 </div>
 <div class="content">
-    <?= /** @type \Icinga\Module\Doc\SectionRenderer $section */ $section ?>
+    <?= /** @type \Icinga\Module\Doc\DocSectionRenderer $section */ $section ?>
 </div>

modules/doc/library/Doc/DocController.php

@@ -18,7 +18,7 @@ class DocController extends ModuleActionController
     protected function renderChapter($path, $chapter, $url, array $urlParams = array())
     {
         $parser = new DocParser($path);
-        $section = new SectionRenderer($parser->getDocTree(), SectionRenderer::decodeUrlParam($chapter));
+        $section = new DocSectionRenderer($parser->getDocTree(), DocSectionRenderer::decodeUrlParam($chapter));
         $this->view->section = $section
             ->setUrl($url)
             ->setUrlParams($urlParams)

modules/doc/library/Doc/DocSectionRenderer.php

@@ -20,7 +20,7 @@ use Icinga\Web\View;
 /**
  * Section renderer
  */
-class SectionRenderer extends Renderer
+class DocSectionRenderer extends Renderer
 {
     /**
      * Content to render