eiru_crm/views/menus_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
  <data>
    <record id="make_invisible" model="res.groups">
      <field name="name">Invisible</field>
    </record>

    <!-- Hide Menus -->
    <record id="crm.menu_crm_leads" model="ir.ui.menu">
     <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>

    <record id="crm.menu_crm_case_phone" model="ir.ui.menu">
     <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>

    <record id="crm.menu_crm_config_phonecall" model="ir.ui.menu">
      <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>

    <record id="crm.menu_report_crm_leads_tree" model="ir.ui.menu">
      <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>

    <record id="crm.menu_report_crm_phonecalls_tree" model="ir.ui.menu">
      <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>

    <record model="ir.actions.act_window" id="crm.crm_case_category_act_oppor11">
      <field name="view_mode">kanban,tree,form</field>
    </record>

    <record id="calendar.menu_calendar_configuration" model="ir.ui.menu">
      <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>

    <record id="calendar.mail_menu_calendar" model="ir.ui.menu">
      <field name="groups_id" eval="[(6,0,[ref('make_invisible')])]"/>
    </record>


    <!-- Change menu name -->
    <record model="ir.ui.menu" id="base.menu_crm_config_lead">
      <field name="name">Oportunidades</field>
    </record>

    <!-- Add new menus -->
    <menuitem name="CRM" id="base.menu_crm" parent="base.menu_base_partner" sequence="1"/>

    <menuitem name="Tareas" id="menu_crm_task" parent="base.menu_crm" sequence="50"
      action="eiru_crm.crm_task_from_partner" groups="base.group_sale_salesman"/>

      <!-- Change menu path -->
      <menuitem id="crm.menu_crm_opportunities" parent="base.menu_crm"/>
  </data>
</openerp>