OO-2624 improved en translation

src/main/java/org/olat/core/commons/services/notifications/ui/_i18n/LocalStrings_en.properties

 #Fri Jan 21 10:25:59 CET 2011
 actions.title=Modifications
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 command.subscribe=Subscribe
 command.unsubscribe=Unsubscribe
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 subscription.listitem.dateprefix=on {0}
 user.unknown=unknown
 user.formatted={0} {1}
@@ -37,7 +10,8 @@ confirm.delete=Do you really want to delete this notification you subscribed to
 email.nok=News could not be sent via e-mail. Please try again later or contact your support team.
 email.ok=News sent via e-mail.
 emailLink=Send news via e-mail
-footer.notifications=<p>You receive this message, because you subscribed to its resource in OpenOLAT\.</p> \n <a href='{0}'>Modify e-mail settings</a> | <a href='{1}'>News from subscriptions</a> | <a href='{2}'>Administer subscriptions</a>
+footer.notifications=<p>Sie erhalten diese Nachricht, weil Sie in OpenOLAT Benachrichtigungen abonniert haben\.</p> \n <a href='{0}'>Versandeinstellung \u00e4ndern</a> | <a href='{1}'>Alle Benachrichtigungen sehen</a> | <a href='{2}'>Abonnements verwalten</a>
+footer.notifications=<p>You receive this message, because you subscribed to OpenOLAT notifications\.</p> \n <a href='{0}'>Modify e-mail settings</a> | <a href='{1}'>View all notifications</a> | <a href='{2}'>Administer subscriptions</a>
 error.date=Wrong date format (dd.mm.yyyy)
 error.publisherdeleted=This resource is deleted and cannot be displayed any more.
 info.notification.deleted=This subscribed notification has been deleted