prevent empty support messages in help module (Fixes: #3697)

Florian Schaal

2016-05-26 52a8e7e2f53b23f41b40aa5bc5b35f338aaec3dd

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<?php
$wb['list_head_txt'] = 'Repository';
$wb['active_txt'] = 'Active';
$wb['repo_name_txt'] = 'Repository';
$wb['repo_url_txt'] = 'URL';
?>