update several modules.

diff --git a/mod/elggman b/mod/elggman
index 21ca84194e193d25be01d376ad03792396052665..b992c9aa0b0d9653dc6ebb96feda1bedf35cfeba 160000 (submodule)
--- a/mod/elggman
+++ b/mod/elggman
@@ -1 +1 @@
-Subproject commit 21ca84194e193d25be01d376ad03792396052665
+Subproject commit b992c9aa0b0d9653dc6ebb96feda1bedf35cfeba

diff --git a/mod/etherpad b/mod/etherpad
index 6113e31960ddc64b712b57d0e885754aa6d3bc3a..97af90ff30b5df10e392c92868d1828f601641cc 160000 (submodule)
--- a/mod/etherpad
+++ b/mod/etherpad
@@ -1 +1 @@
-Subproject commit 6113e31960ddc64b712b57d0e885754aa6d3bc3a
+Subproject commit 97af90ff30b5df10e392c92868d1828f601641cc

diff --git a/mod/event_calendar b/mod/event_calendar
index b23e75b25f8db91bebf3a748a686e5a7e8747536..e2203e7aae84ec772eb61621a199be4bb7b32f0c 160000 (submodule)
--- a/mod/event_calendar
+++ b/mod/event_calendar
@@ -1 +1 @@
-Subproject commit b23e75b25f8db91bebf3a748a686e5a7e8747536
+Subproject commit e2203e7aae84ec772eb61621a199be4bb7b32f0c

diff --git a/mod/spotlight b/mod/spotlight
index 8a48163d7f7d781255098c1278f1f91c0cb32aa2..b7f9fdaf7a923eff7013fbf23b8d101c82908c48 160000 (submodule)
--- a/mod/spotlight
+++ b/mod/spotlight
@@ -1 +1 @@
-Subproject commit 8a48163d7f7d781255098c1278f1f91c0cb32aa2
+Subproject commit b7f9fdaf7a923eff7013fbf23b8d101c82908c48

diff --git a/mod/tasks b/mod/tasks
index 0140e1e4eb0d94aefe60ec425b1465dbee714d06..e9ae0c2ef1cba31c1d17882eaf66dbe1901c432d 160000 (submodule)
--- a/mod/tasks
+++ b/mod/tasks
@@ -1 +1 @@
-Subproject commit 0140e1e4eb0d94aefe60ec425b1465dbee714d06
+Subproject commit e9ae0c2ef1cba31c1d17882eaf66dbe1901c432d