Prepare the 1.5.11 release

Author: javiereguiluz

symfony

@@ -29,7 +29,7 @@ require file_exists(__DIR__.'/vendor/autoload.php')
     ? __DIR__.'/vendor/autoload.php'
     : __DIR__.'/../../autoload.php';
 
-$appVersion = '1.5.11-DEV';
+$appVersion = '1.5.11';
 
 // Windows uses Path instead of PATH
 if (!isset($_SERVER['PATH']) && isset($_SERVER['Path'])) {