Updates hydra, metadot, vbox

diff --git a/hydra b/hydra
index 970c8ba7aa0ba3446b87f8f6084f9a28d0df4ab8..0e22f7b9ab3b8583ab4578f79b373d621660c4ea 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 970c8ba7aa0ba3446b87f8f6084f9a28d0df4ab8
+Subproject commit 0e22f7b9ab3b8583ab4578f79b373d621660c4ea

diff --git a/metadot b/metadot
index 6f4ef50d2c7e73d6df5b9f426abaf26521e548e5..19058530c9e7150f33bf65b079c45565325ee826 160000 (submodule)
--- a/metadot
+++ b/metadot
@@ -1 +1 @@
-Subproject commit 6f4ef50d2c7e73d6df5b9f426abaf26521e548e5
+Subproject commit 19058530c9e7150f33bf65b079c45565325ee826

diff --git a/vbox b/vbox
index b076e8704bd44ee36185474f17c6a8ce8ec1b25f..d9c791c7b8f56958974ce56603456b6c0ec5a3d7 160000 (submodule)
--- a/vbox
+++ b/vbox
@@ -1 +1 @@
-Subproject commit b076e8704bd44ee36185474f17c6a8ce8ec1b25f
+Subproject commit d9c791c7b8f56958974ce56603456b6c0ec5a3d7