Upgrade remaining plugins.

diff --git a/mod/group_operators b/mod/group_operators
index 8f8919e83272cb7c5e8e015bc78ec9e114bee114..136605bc0ecd7a3ce49caf0ee6ab0a0471fd2e63 160000 (submodule)
--- a/mod/group_operators
+++ b/mod/group_operators
@@ -1 +1 @@
-Subproject commit 8f8919e83272cb7c5e8e015bc78ec9e114bee114
+Subproject commit 136605bc0ecd7a3ce49caf0ee6ab0a0471fd2e63

diff --git a/mod/lightpics b/mod/lightpics
index 164bc4a97c103a2f1b96b88f18d909915b34f053..c11fa1708b9d133c7efe9ca889ff0d9b8017119c 160000 (submodule)
--- a/mod/lightpics
+++ b/mod/lightpics
@@ -1 +1 @@
-Subproject commit 164bc4a97c103a2f1b96b88f18d909915b34f053
+Subproject commit c11fa1708b9d133c7efe9ca889ff0d9b8017119c

diff --git a/mod/spotlight b/mod/spotlight
index 7874cd2d54b818167469b6629f5b336a89b7a9af..b7f9fdaf7a923eff7013fbf23b8d101c82908c48 160000 (submodule)
--- a/mod/spotlight
+++ b/mod/spotlight
@@ -1 +1 @@
-Subproject commit 7874cd2d54b818167469b6629f5b336a89b7a9af
+Subproject commit b7f9fdaf7a923eff7013fbf23b8d101c82908c48

diff --git a/mod/upgrade-tools b/mod/upgrade-tools
index 5b3034e9e55c46252cde3ebe9ab84ef70e6db257..862658a7512afda1910f600169cc7cd970bd593f 160000 (submodule)
--- a/mod/upgrade-tools
+++ b/mod/upgrade-tools
@@ -1 +1 @@
-Subproject commit 5b3034e9e55c46252cde3ebe9ab84ef70e6db257
+Subproject commit 862658a7512afda1910f600169cc7cd970bd593f