Updates hydra, keyringer, metadot, vbox

diff --git a/hydra b/hydra
index 955a3ab2b8e6c7555528fe09588e44c45b149597..970c8ba7aa0ba3446b87f8f6084f9a28d0df4ab8 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit 955a3ab2b8e6c7555528fe09588e44c45b149597
+Subproject commit 970c8ba7aa0ba3446b87f8f6084f9a28d0df4ab8

diff --git a/keyringer b/keyringer
index a78214e6b2b4711c179f31fc8804eb4f204695cf..8c3e30a9666fe60042a90de72c21cb4eff114072 160000 (submodule)
--- a/keyringer
+++ b/keyringer
@@ -1 +1 @@
-Subproject commit a78214e6b2b4711c179f31fc8804eb4f204695cf
+Subproject commit 8c3e30a9666fe60042a90de72c21cb4eff114072

diff --git a/metadot b/metadot
index 7842b6a46fbb9e18ec8ee09ac6361c862f7e3172..6f4ef50d2c7e73d6df5b9f426abaf26521e548e5 160000 (submodule)
--- a/metadot
+++ b/metadot
@@ -1 +1 @@
-Subproject commit 7842b6a46fbb9e18ec8ee09ac6361c862f7e3172
+Subproject commit 6f4ef50d2c7e73d6df5b9f426abaf26521e548e5

diff --git a/vbox b/vbox
index 76e629a7545b021cb47a63f17ee61c2ed9aec386..b076e8704bd44ee36185474f17c6a8ce8ec1b25f 160000 (submodule)
--- a/vbox
+++ b/vbox
@@ -1 +1 @@
-Subproject commit 76e629a7545b021cb47a63f17ee61c2ed9aec386
+Subproject commit b076e8704bd44ee36185474f17c6a8ce8ec1b25f