refactor mvc Core components ( split model and library code )

src/opnsense/mvc/app/config/loader.php

@@ -8,6 +8,7 @@ $loader = new \Phalcon\Loader();
 $loader->registerDirs(
     array(
         $config->application->controllersDir,
-        $config->application->modelsDir
+        $config->application->modelsDir,
+        $config->application->libraryDir
     )
 )->register();