add TODO item: add licenses for used stuff (e.g. tango)

diff --git a/TODO b/TODO
index 4d355a0..3d301e2 100644 (file)
--- a/TODO
+++ b/TODO
@@ -1,3 +1,3 @@
 ManageNodesDialog
 * prevent deletion of currently connected nodes
-
+* add references to other stuff (e.g. tango)