nsm bug in customer_group and removed abbr in Cost Center
diff --git a/patches/patch_list.py b/patches/patch_list.py
index 3b013e4..3ba2048 100644
--- a/patches/patch_list.py
+++ b/patches/patch_list.py
@@ -158,4 +158,5 @@
 	"patches.january_2013.enable_currencies",
 	"patches.january_2013.remove_unwanted_permission",
 	"patches.january_2013.remove_landed_cost_master",
+	"patches.january_2013.rebuild_tree",
 ]
\ No newline at end of file