odoo/addons/mail/mail_thread_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="view_mailgate_thread_form">
            <field name="name">mail.thread.form</field>
            <field name="model">mail.thread</field>
            <field name="type">form</field>
            <field name="arch" type="xml">
                <form string="Email Thread">
                    <separator string="Communication History" colspan="4"/>
                    <field name="message_ids" nolabel="1" colspan="4" mode="tree">
                        <tree string="Communication History">
                            <field name="display_text"/>
                        </tree>
                    </field>
                    <field name="message_ids_social" colspan="4" widget="ThreadView"/>
                </form>
            </field>
        </record>

        <record model="ir.ui.view" id="view_mailgate_thread_tree">
            <field name="name">mail.thread.tree</field>
            <field name="model">mail.thread</field>
            <field name="type">tree</field>
            <field name="arch" type="xml">
                <tree string="Email Threads">
                    <field name="message_ids" />
                </tree>
            </field>
        </record>

         <!-- Emails thread action -->
        <record model="ir.actions.act_window" id="action_view_mailgate_thread">
            <field name="name">Email Threads</field>
            <field name="res_model">mail.thread</field>
            <field name="view_mode">tree,form</field>
            <field name="view_type">form</field>
            <field name="view_id" ref="view_mailgate_thread_tree"/>
        </record>
        <record model="ir.actions.act_window.view" id="action_view_mailgate_thread_view1">
            <field name="sequence" eval="1"/>
            <field name="view_mode">tree</field>
            <field name="view_id" ref="view_mailgate_thread_tree"/>
            <field name="act_window_id" ref="action_view_mailgate_thread"/>
        </record>
        <record model="ir.actions.act_window.view" id="action_view_mailgate_thread_view2">
            <field name="sequence" eval="2"/>
            <field name="view_mode">form</field>
            <field name="view_id" ref="view_mailgate_thread_form"/>
            <field name="act_window_id" ref="action_view_mailgate_thread"/>
        </record>

        <!-- toplevel menu -->
        <menuitem id="mail_feeds_main" name="Feeds" action="action_view_groups"/>

        <!-- left-side menu: Feeds !-->
        <menuitem id="mail_feeds" name="Feeds"  parent="mail_feeds_main"/>
        <menuitem id="mail_myfeeds" name="My feeds" parent="mail_feeds" action="action_view_mytweets"/>
        <menuitem id="mail_allfeeds" name="All feeds" parent="mail_feeds" action="action_view_tweets"/>
<!--        <menuitem id="mail_wallfeeds" name="(w)All feeds" parent="mail_feeds" action="action_mail_all_feeds"/>-->
        <record id="mail_wallfeeds" model="ir.ui.menu">
          <field name="name">(w)All Feeds</field>
          <field name="sequence" eval="20"/>
          <field name="action" ref="action_mail_all_feeds"/>
          <field name="parent_id" ref="mail_feeds"/>
        </record>

        <!-- left-side menu: Groups !-->
        <menuitem id="mail_groups" name="Groups"  parent="mail_feeds_main"/>
        <menuitem id="mail_allgroups" name="All groups"  parent="mail_groups" action="action_view_groups"/>
        <!-- left-side menu: Tmp !-->
        <menuitem id="mail_debug" name="Debug/Tmp"  parent="mail_feeds_main"/>
        <menuitem id="mail_debug_msgs" name="Messages" parent="mail_debug" action="action_view_all_message"/>
        <menuitem id="mail_debug_groups" name="Groups" parent="mail_debug" action="action_view_groups"/>
        <menuitem id="mail_debug_subs" name="Subscriptions" parent="mail_debug" action="action_view_subscriptions"/>
        <menuitem id="mail_debug_notifs" name="Pushed notif" parent="mail_debug" action="action_view_notifications"/>

<!--        <act_window
            context="{}"
            domain="[('res_model', '=', active_model), ('res_id', '=', active_id)]"
            id="act_thread_see_followers"
            name="See followers"
            res_model="mail.subscription"
            src_model="mail.thread"
            view_mode="tree,form"
            view_type="form"/>-->
    
    </data>
</openerp>