.hgignore: add vendor tree composer.json: new packages plugins/thunderbird_labels/thunderbird_labels.php: change hook and RFC822 use wrt whitelisting to avoid deprecated stuff index.php: commented debugging hooks others: new releases of vendor packages?

#messagetoolbar a.button.archive{text-indent:-5000px;background:url(archive_act.png) 0 0 no-repeat}#mailboxlist li.mailbox.archive>a{background-image:url(foldericon.png);background-position:5px 1px}