Blurb:: File containing advanced ROL options

Description:: 
Allow power users to override default ROL options

<b> Default Behavior </b>
No advanced options used.

<b> Usage Tips </b>
The \c options_file offers a final override over other options
settings, which are applied with the folowing precedence:
<ol>
<li>ROL library defaults</li>
<li>Dakota hard-coded defaults</li>
<li>Settings from Dakota input file</li>
<li>Settings from the advaned \c options_file</li>
</ol>

Examples::
