Upgraded some modules.

diff --git a/mod/etherpad b/mod/etherpad
index e09f698cf62e6f6b513b97bb91f10e7cabd16730..b2db28c9251aba2b6081f1dd1f80dd5d35d3c9cd 160000 (submodule)
--- a/mod/etherpad
+++ b/mod/etherpad
@@ -1 +1 @@
-Subproject commit e09f698cf62e6f6b513b97bb91f10e7cabd16730
+Subproject commit b2db28c9251aba2b6081f1dd1f80dd5d35d3c9cd

diff --git a/mod/friendrequest b/mod/friendrequest
index 3bbff4f7bd1ae793a99ba5c6b04f17e4cdb34514..f3aee5808ae6adf499f971310804da995032a723 160000 (submodule)
--- a/mod/friendrequest
+++ b/mod/friendrequest
@@ -1 +1 @@
-Subproject commit 3bbff4f7bd1ae793a99ba5c6b04f17e4cdb34514
+Subproject commit f3aee5808ae6adf499f971310804da995032a723

diff --git a/mod/group_alias b/mod/group_alias
index c46037db414e9a0fb1b842bc9d21c845271f67bb..fa554c5fdb386d084a9feff7a93eb4955286154d 160000 (submodule)
--- a/mod/group_alias
+++ b/mod/group_alias
@@ -1 +1 @@
-Subproject commit c46037db414e9a0fb1b842bc9d21c845271f67bb
+Subproject commit fa554c5fdb386d084a9feff7a93eb4955286154d

diff --git a/mod/online b/mod/online
index 5900fa56f3846690b5d9573596640436e683be35..af055124997d7346872647332237810e4aee5f6c 160000 (submodule)
--- a/mod/online
+++ b/mod/online
@@ -1 +1 @@
-Subproject commit 5900fa56f3846690b5d9573596640436e683be35
+Subproject commit af055124997d7346872647332237810e4aee5f6c