stock-logistics-reporting/stock_picking_webkit/report.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
  <data>

    <report id="webkit_aggregated_picking"
            name="webkit.aggregated_picking"
            auto="False"
            model="stock.picking.out"
            file="stock_picking_webkit/report/picking.html.mako"
            string="Aggregated pickings"
            report_type="webkit"
            header="False"/>
    <report id="webkit_aggregated_delivery"
            name="webkit.aggregated_delivery"
            auto="False"
            model="stock.picking.out"
            file="stock_picking_webkit/report/delivery.html.mako"
            string="Aggregated deliveries"
            report_type="webkit"
            header="False"/>
    <report id="stock.report_picking_list_out"
            name="webkit.delivery_slip"
            auto="False"
            model="stock.picking.out"
            file="stock_picking_webkit/report/delivery_slip.mako"
            string="Delivery Order"
            report_type="webkit"
            header="True"/>

  </data>

    <data noupdate="1">
        <record id="webkit_aggregated_picking" model="ir.actions.report.xml">
           <field name="webkit_header" ref="base_headers_webkit.base_minimum_reports_portrait_header"></field>
        </record>
    </data>

    <data noupdate="1">
        <record id="webkit_aggregated_delivery" model="ir.actions.report.xml">
           <field name="webkit_header" ref="base_headers_webkit.base_minimum_reports_portrait_header"></field>
        </record>
    </data>

    <data noupdate="1">
        <record id="stock.report_picking_list_out" model="ir.actions.report.xml">
           <field name="webkit_header" ref="base_headers_webkit.base_reports_portrait_header"></field>
        </record>
   </data>

</openerp>