supporting package path feature

Author: Robert Kummer

src/Providers/ConfigurationProvider.php

@@ -6,7 +6,9 @@
 
 class ConfigurationProvider extends ConfigurationServiceProvider
 {
+    protected $packagePath = __DIR__ . '/../../';
+
     protected $configurationFiles = [
         LaravelPackageServiceProvider::NAMESPACE => 'config/config.php',
     ];
-}
+}