[BUILD] Put last state of the update-site under version control

During the release 13.3.22 we forgot to put the changes that were
present on the webserver under version control. This patch catches up on
that.

Change-Id: Ib425456f70914ada12019b383da28a9932e9fa1e
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1287
Tested-by: Jenkins CI
Reviewed-by: Franz Zieris <zieris@inf.fu-berlin.de>