Fix minor mail issues

* a nextcloud
* Strong username & url

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

settings/templates/email.new_user.php

@@ -11,7 +11,7 @@
 					<td width="20px">&nbsp;</td>
 					<td style="font-weight:normal; font-size:0.8em; line-height:1.2em; font-family:verdana,'arial',sans;">
 						<?php
-						print_unescaped($l->t('Hey there,<br><br>just letting you know that you now have an %s account.<br><br>Your username: %s<br>Access it: <a href="%s">%s</a><br><br>', array($theme->getName(), $_['username'], $_['url'], $_['url'])));
+						print_unescaped($l->t('Hey there,<br><br>just letting you know that you now have a %s account.<br><br>Your username: <strong>%s</strong><br>Access it: <strong><a href="%s">%s</a></strong><br><br>', array($theme->getName(), $_['username'], $_['url'], $_['url'])));
 
 						// TRANSLATORS term at the end of a mail
 						p($l->t('Cheers!'));

settings/templates/email.new_user_plain_text.php

 <?php
-print_unescaped($l->t("Hey there,\n\njust letting you know that you now have an %s account.\n\nYour username: %s\nAccess it: %s\n\n", array($theme->getName(), $_['username'], $_['url'])));
+print_unescaped($l->t("Hey there,\n\njust letting you know that you now have a %s account.\n\nYour username: %s\nAccess it: %s\n\n", array($theme->getName(), $_['username'], $_['url'])));
 
 // TRANSLATORS term at the end of a mail
 p($l->t("Cheers!"));