Update resources/xsl/bibliography.xsl to include favicon for eGEDSH

[davidamichelson]

@wsalesky Please update the https://github.com/srophe/srophe-eXist-app/blob/6c6de4ca52608944e43a9cf8a83238c1f568a869/resources/xsl/bibliography.xsl

So that

[davidamichelson]

<xsl:when test="contains($ref,'archive.org')">
                <img src="{$nav-base}/resources/images/ialogo.jpg" alt="Link to Archive.org Bibliographic record" height="18px"/>
            </xsl:when>