Allow preference sections to define CSS class names

Thomas Bruederli

2015-04-17 a3644638aaf0418598196a870204e0b632a4c8ad

 program/include/rcmail_output_html.php

@@ -584,7 +584,7 @@
        // read template file
        if (!$path || ($templ = @file_get_contents($path)) === false) {
            rcube::raise_error(array(
                'code' => 501,
                'code' => 404,
                'type' => 'php',
                'line' => __LINE__,
                'file' => __FILE__,