Minor - format code, fix chamilo_database_version call

main/admin/system_status.php

@@ -1,8 +1,7 @@
 <?php
 /* For licensing terms, see /license.txt */
+
 /**
- * @package chamilo.admin
- *
  * @author Julio Montoya <gugli100@gmail.com>
  */
 $cidReset = true;

main/inc/lib/diagnoser.lib.php

@@ -177,7 +177,7 @@ class Diagnoser
             get_lang('The directory should be removed (it is no longer necessary)')
         );
 
-        $app_version = api_get_setting('chamilo_database_version');
+        $app_version = api_get_setting('platform.chamilo_database_version');
         $array[] = $this->build_setting(
             self::STATUS_INFORMATION,
             '[DB]',

main/social/skills_ranking.php

@@ -2,8 +2,6 @@
 /* For licensing terms, see /license.txt */
 
 /**
- * @package chamilo.social
- *
  * @author Julio Montoya <gugli100@gmail.com>
  */
 $cidReset = true;
@@ -15,7 +13,7 @@ Skill::isAllowed(api_get_user_id());
 //Add the JS needed to use the jqgrid
 $htmlHeadXtra[] = api_get_jqgrid_js();
 
-$interbreadcrumb[] = ["url" => "index.php", "name" => get_lang('Skills')];
+$interbreadcrumb[] = ['url' => 'index.php', 'name' => get_lang('Skills')];
 
 //jqgrid will use this URL to do the selects
 $url = api_get_path(WEB_AJAX_PATH).'model.ajax.php?a=get_user_skill_ranking';