capitalize e-mail in list of publication types

Change-Id: I4a93e272d18ffdce20ded4a3e0a6f48a49b4b01a
Reviewed-on: https://gerrit.libreoffice.org/13255
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>