code: public Options putLiteral(String key, String value)
  	{
  		putOption(key, new LiteralOption(value));
  		return this;
  	}
docs: <p>
  Puts a {@link String} value as a JavaScript literal for the given name.
  <p>
  Note that the JavaScript resulting from this options will be <code>'value'</code>
  </p>
  </p>
  
  @param key
  the option name.
  @param value
  the {@link LiteralOption} value.