Allow us to find out where /public is to be found

library/Icinga/Application/ApplicationBootstrap.php

@@ -233,6 +233,18 @@ abstract class ApplicationBootstrap
         return $this->getDirWithSubDir($this->configDir, $subdir);
     }
 
+    /**
+     * Get the path to the bootstrapping directory.
+     *
+     * This is usually /public for Web and EmbeddedWeb
+     *
+     * @return string
+     */
+    public function getBootstrapDirecory()
+    {
+        return dirname($_SERVER['SCRIPT_FILENAME']);
+    }
+
     /**
      * Helper to glue directories together
      *