[IMP] add a few comments

bzr revid: abo@openerp.com-20120704090034-bjhq0py72ogesl6m

addons/portal_crm/security/portal_crm_security.xml

@@ -2,5 +2,7 @@
 <openerp>
     <data noupdate="1">
 
+        <!-- Employees with a visibility == 'portal' can't be seen by anonymous -->
+
     </data>
 </openerp>

addons/portal_crm/wizard/contact.py

@@ -11,6 +11,7 @@ class crm_contact_us(osv.TransientModel):
     }
 
     def _get_employee(self, cr, uid, context=None):
+        """ Employees flagged as 'private' won't appear on the contact page """
         r = self.pool.get('hr.employee').search(cr, uid, [('visibility', '!=', 'private')], context=context)
         return r