Initial checkin of Webmin

cluster-shell/help/intro.html

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+<header>Cluster Shell Commands</header>
+
+This module is similar to <b>Command Shell</b>, but allows simple commands to
+be run on multiple servers concurrently instead of just on this server. On the
+main page you can enter a command to run (or select an old one), and choose
+one or more servers or groups to execute it on. Only servers that have been
+created in the <b>Webmin Servers Index</b> module with a login and password
+will appear in the list. <p>
+<hr>
+