capitalize e-mail in list of publication types

Change-Id: I4f6742941c4abfcebe72a0f03a4119facf99ce16
Reviewed-on: https://gerrit.libreoffice.org/13254
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>