Update linux installer maker for new license.txt and HTML release notes.
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<title>Helium Documentation Index</title>
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<h1>Helium Documentation</h1>
<a href="../build/doc/index.html">Helium Documentation</a>
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If this link does not work, please run <tt>hlm docs</tt> from the <tt>/helium</tt> directory and try again.
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The main Helium documentation is HTML generated from the RST text documents.
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