Merge pull request #921 from wallabag/about-page

add about page

inc/poche/Poche.class.php

@@ -314,6 +314,8 @@ class Poche
 
         switch ($view)
         {
+            case 'about':
+                break;
             case 'config':
                 $dev_infos = $this->_getPocheVersion('dev');
                 $dev = trim($dev_infos[0]);

inc/poche/Tools.class.php

@@ -117,7 +117,7 @@ final class Tools
     {
         $views = array(
             'install', 'import', 'export', 'config', 'tags',
-            'edit-tags', 'view', 'login', 'error'
+            'edit-tags', 'view', 'login', 'error', 'about'
             );
 
         return (in_array($view, $views) ? $view . '.twig' : 'home.twig');