Serialize datetime to transmit it.

Thanks to Tristan Cavelier

master/bt5/slapos_jio/SkinTemplateItem/portal_skins/erp5_hal_json_style/ERP5Document_getHateoas.xml

@@ -497,8 +497,9 @@ elif (mode == \'root\') or (mode == \'traverse\'):\n
 #             traversed_document.log(property_name)\n
             property_value = traversed_document.getProperty(property_name, d=None)\n
             if (property_value is not None):\n
-              if not same_type(property_value, DateTime()):\n
-                # XXX Serialize DateTime\n
+              if same_type(property_value, DateTime()):\n
+                # Serialize DateTime\n
+                property_value = rfc822()\n
               result_dict[property_name] = property_value \n
 \n
   ##############\n

master/bt5/slapos_jio/bt/revision

-14
\ No newline at end of file
+15
\ No newline at end of file