Merge pull request #1101 from splitbrain/emailsignature

_test/tests/inc/mailer.test.php

inc/Mailer.class.php

inc/lang/ar/lang.php

inc/lang/ar/mailtext.txt

inc/lang/ar/mailwrap.html

inc/lang/ar/password.txt

inc/lang/ar/pwconfirm.txt

inc/lang/ar/registermail.txt

inc/lang/ar/subscr_digest.txt

inc/lang/ar/subscr_list.txt

inc/lang/ar/subscr_single.txt

inc/lang/ar/uploadmail.txt

inc/lang/az/lang.php

inc/lang/az/mailtext.txt

inc/lang/az/password.txt

inc/lang/az/pwconfirm.txt

inc/lang/az/registermail.txt

inc/lang/az/uploadmail.txt

inc/lang/bg/lang.php

inc/lang/bg/mailtext.txt