[-] Installer: Switch test of session.save_path to optional test

classes/ConfigurationTest.php

@@ -320,4 +320,4 @@ class ConfigurationTestCore
 	{
 		return extension_loaded('Dom');
 	}
-}
+}

install-dev/controllers/http/system.php

@@ -87,7 +87,6 @@ class InstallControllerHttpSystem extends InstallControllerHttp
 						'system' => $this->l('Cannot create new files and folders'),
 						'gd' => $this->l('GD Library is not installed'),
 						'mysql_support' => $this->l('MySQL support is not activated'),
-						'sessions' => $this->l('Your PHP sessions path is not writable - check with your hosting provider:').' '.$session_path,
 					)
 				),
 				array(
@@ -123,6 +122,7 @@ class InstallControllerHttpSystem extends InstallControllerHttp
 						'magicquotes' => $this->l('PHP magic quotes option is enabled'),
 						'dom' => $this->l('Dom extension is not loaded'),
 						'pdo_mysql' => $this->l('PDO MySQL extension is not loaded'),
+						'sessions' => $this->l('Your PHP sessions path is not writable - check with your hosting provider:').' '.$session_path,
 					)
 				),
 			),
@@ -139,5 +139,4 @@ class InstallControllerHttpSystem extends InstallControllerHttp
 
 		$this->displayTemplate('system');
 	}
-}
-
+}