<div class="view_html_prefix">
    <div class="view_html_logo">
        <a href="/"><%= image_tag("logo.png", :width => "109", :height => "50", :alt => site_name) %></a>
    </div>
    <div class="view_html_download_link">
        <%=link_to _("Download original attachment"), @attachment_url %> 
        <br>(<%=h @attachment.name_of_content_type %>)
    </div>
    <%= _('This is an HTML version of an attachment to the Freedom of Information request')%>
    '<%=link_to h(@info_request.title), incoming_message_path(@incoming_message)%>'.
</div>

<div class="view_html_prefix">
    <div class="view_html_logo">
        <a href="/"><img src="/assets/logo.png" width="109" height="50" alt="<%= site_name %>"></a>
    </div>
    <div class="view_html_download_link">
        <%=link_to _("Download original attachment"), @attachment_url %>
        <br>(<%=h @attachment.name_of_content_type %>)
    </div>
    <p class="view_html_description"><%= _('This is an HTML version of an attachment to the Freedom of Information request')%>
    '<%=link_to h(@info_request.title), incoming_message_path(@incoming_message)%>'.</p>
</div>

Use static link so that cached attachments don't use timestamped urls
Use static link so that cached attachments don't use timestamped urls

Also add para to make styling easier. Changes made in core in
9c2f4033e9838748650bd4293c4186646ce188da and
2c29fdd40daa0cd809729ef3907767792c9b3274
