Minor - format code

public/main/install/ajax.php

@@ -1,4 +1,5 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 /**

public/main/install/install_files.inc.php

@@ -1,4 +1,5 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 /**

public/main/install/update-configuration.inc.php

@@ -1,15 +1,13 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 /**
- * Chamilo LMS.
- *
- * Only updates the  main/inc/conf/configuration.php
+ * Only updates the configuration.php file
  */
 if (defined('SYSTEM_INSTALLATION')) {
-    error_log("Starting ".basename(__FILE__));
+    error_log('Starting '.basename(__FILE__));
     $perm = api_get_permissions_for_new_files();
-
     $newConfFile = api_get_path(CONFIGURATION_PATH).'configuration.php';
 
     // Edit the configuration file.

public/main/install/update-files-1.11.0-2.0.0.inc.php

@@ -1,21 +1,19 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 /**
- * Chamilo LMS.
- *
  * Updates the Chamilo files from version 1.10.0 to version 1.11.0
  * This script operates only in the case of an update, and only to change the
  * active version number (and other things that might need a change) in the
  * current configuration file.
  */
-error_log("Starting ".basename(__FILE__));
+error_log('Starting '.basename(__FILE__));
 
 global $debug;
 
 if (defined('SYSTEM_INSTALLATION')) {
     // Changes for 2.0.0
-
     $pluginPath = api_get_path(SYS_PLUGIN_PATH);
 
     // The ims_lti plugin has been integrated to core in 2.0