Peter,
You want to change page-structure.xsl. You want it to look like this, with navigation before the main-content:
<div class="row row-offcanvas row-offcanvas-right">
<div class="horizontal-slider clearfix">
<div class="col-xs-6 col-sm-3 sidebar-offcanvas" id="sidebar" role="navigation">
<xsl:apply-templates select="dri:options"/>
</div> <div class="col-xs-12 col-sm-12 col-md-9 main-content">
<xsl:apply-templates select="*[not(self::dri:options)]"/>
<div class="visible-xs visible-sm">
<xsl:call-template name="buildFooter"/>
</div>
</div>
</div>
</div>
It presently looks like this:
<div class="row row-offcanvas row-offcanvas-right">
<div class="horizontal-slider clearfix">
<div class="col-xs-12 col-sm-12 col-md-9 main-content">
<xsl:apply-templates select="*[not(self::dri:options)]"/>
<div class="visible-xs visible-sm">
<xsl:call-template name="buildFooter"/>
</div>
</div>
<div class="col-xs-6 col-sm-3 sidebar-offcanvas" id="sidebar" role="navigation">
<xsl:apply-templates select="dri:options"/>
</div> </div>
</div>
Hope this helps!
-Jose