calendar_holiday/views/hr_employee_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_employee_tree_inh_calendarholiday" model="ir.ui.view">
            <field name="name">view.employee.tree.inh.calendarholiday</field>
            <field name="model">hr.employee</field>
            <field name="inherit_id" ref="hr.view_employee_tree"/>
            <field name="arch" type="xml">
                <field name="parent_id" position="after">
                    <field name="address_home_id" string="Contract employee"/>
                </field>
            </field>
        </record>
        <record id="view_employee_filter_inh_calendarholiday" model="ir.ui.view">
            <field name="name">view.employee.filter.inh.calendarholiday</field>
            <field name="model">hr.employee</field>
            <field name="inherit_id" ref="hr.view_employee_filter"/>
            <field name="arch" type="xml">
                <field name="name" position="after">
                    <field name="address_home_id" string="Contract employee"/>
                </field>
                <filter string="Manager" position="after">
                    <filter string="Contract employee" icon="terp-personal" domain="[]" context="{'group_by':'address_home_id'}"/>
                </filter>
            </field>
        </record>
        <record id="view_employee_form_inh_calendarholiday" model="ir.ui.view">
            <field name="name">view.employee.form.inh.calendarholiday</field>
            <field name="model">hr.employee</field>
            <field name="inherit_id" ref="hr.view_employee_form"/>
            <field name="arch" type="xml">
                <field name="address_home_id" position="attributes">
                    <attribute name="string">Partner</attribute>
                </field>
            </field>
        </record>
    </data>
</openerp>