Introduce log-path

Change-Id: I92ebde21370ca80c419bebb136cde3c502c83c9c
diff --git a/kalamar.ids-mannheim.conf b/kalamar.ids-mannheim.conf
index 539e22a..1173fb1 100644
--- a/kalamar.ids-mannheim.conf
+++ b/kalamar.ids-mannheim.conf
@@ -16,6 +16,7 @@
   },
   Kalamar => {
     api_path => $api,
+    log_path => $app->home . '/log',
     secure_cookie => 1,
     https_only => 1,
     plugins => ['Auth', 'Piwik','Plugins'],