update agenda

diff --git a/lib/mezzanine-agenda b/lib/mezzanine-agenda
index 7ccf0f70d2d9a1e99a8cdc5be3f3c467452a5719..3a58a1b343e3fd9f4cbad3a49d276e2d99bc0d01 160000 (submodule)
--- a/lib/mezzanine-agenda
+++ b/lib/mezzanine-agenda
@@ -1 +1 @@
-Subproject commit 7ccf0f70d2d9a1e99a8cdc5be3f3c467452a5719
+Subproject commit 3a58a1b343e3fd9f4cbad3a49d276e2d99bc0d01