[IMP] hr,project,crm: force user preferences field to read/write, despite not having full write access to res.users these special fields are read/write for everyone on their own user record

bzr revid: odo@openerp.com-20100713133148-h0xoc58eb3xal12o

addons/crm/crm_view.xml

@@ -374,7 +374,8 @@
                 <page string="Current Activity" position="inside">
                     <field name="context_section_id" completion="1"
                         widget="selection"
-                        context="{'user_prefence':True}" />
+                        context="{'user_prefence':True}" 
+                        readonly="0"/>
                 </page>
             </field>
         </record>

addons/hr/hr_department_view.xml

@@ -101,7 +101,7 @@
             <field name="type">form</field>
             <field name="arch" type="xml">
                 <page string="Current Activity" position="inside">
-                    <field name="context_department_id" widget="selection" />
+                    <field name="context_department_id" widget="selection" readonly="0"/>
                 </page>
             </field>
         </record>

addons/project/project_view.xml

@@ -571,7 +571,7 @@
          <field eval="18" name="priority"/>
          <field name="arch" type="xml">
             <page string="Current Activity" position="inside">
-                <field name="context_project_id" completion="1" context="{'user_prefence':True}" widget="selection"/>
+                <field name="context_project_id" completion="1" context="{'user_prefence':True}" widget="selection" readonly="0"/>
             </page>
        </field>
     </record>