Fixed navigation for old (unlinked) project-versions

diff --git a/juplo.de b/juplo.de
index eacdb7305aa877ac44cd7a889a7aec57bd237964..6d2a5a894767cd690b5e196efdf889fadc8a55a7 160000 (submodule)
--- a/juplo.de
+++ b/juplo.de
@@ -1 +1 @@
-Subproject commit eacdb7305aa877ac44cd7a889a7aec57bd237964
+Subproject commit 6d2a5a894767cd690b5e196efdf889fadc8a55a7