Updates metadot: ef27e49 Change the way we look for installed packages

diff --git a/metadot b/metadot
index 4ef327a2c21f5fe395627b07eb13b6972cb94fe7..ef27e4920cbdac5817b6c59123e2543f8be11d96 160000 (submodule)
--- a/metadot
+++ b/metadot
@@ -1 +1 @@
-Subproject commit 4ef327a2c21f5fe395627b07eb13b6972cb94fe7
+Subproject commit ef27e4920cbdac5817b6c59123e2543f8be11d96