Upgraded subgroups to 1.1-beta2

diff --git a/mod/subgroups b/mod/subgroups
index 36d619de33e31b86571ccddcb3498c901817e629..cc425ada62263bd8cf83191b4170afd7bedd7302 160000 (submodule)
--- a/mod/subgroups
+++ b/mod/subgroups
@@ -1 +1 @@
-Subproject commit 36d619de33e31b86571ccddcb3498c901817e629
+Subproject commit cc425ada62263bd8cf83191b4170afd7bedd7302