Update git submodules

* Update extensions/CategoryTree from branch 'REL1_31'
  to 27e63545302d93d98dabd15ca9844c40227ff41f
  - Fix some raw html messages

    Try also to ensure that the bullet messages are treated the
    same in both JS and PHP. It should be noted that the mk and scn
    translations are currently broken on the JS side.

    Bug: T195010
    Change-Id: Id87d26db8d90e293701ae11f6434026a8ae88822
    (cherry picked from commit f36af623179350b42e69d98816203273b6e8ac3b)

diff --git a/extensions/CategoryTree b/extensions/CategoryTree
index c24e5ed..27e6354 160000 (submodule)
--- a/extensions/CategoryTree
+++ b/extensions/CategoryTree
@@ -1 +1 @@
-Subproject commit c24e5edb2fd97da91cb659f2582439a7ff791e94
+Subproject commit 27e63545302d93d98dabd15ca9844c40227ff41f