Add msec to zeo/zope logs

Also remove 2 configuration lines that only repeated the default values

slapos/recipe/erp5/template/zeo.conf.in

 # ZEO configuration file generated by SlapOS
 <zeo>
   address %(zeo_ip)s:%(zeo_port)s
-  read-only false
-  invalidation-queue-size 100
   pid-filename %(zeo_pid)s
 </zeo>
 
@@ -10,6 +8,7 @@
 
 <eventlog>
   <logfile>
+    dateformat
     path %(zeo_event_log)s
   </logfile>
 </eventlog>

slapos/recipe/erp5/template/zope.conf.in

@@ -34,11 +34,13 @@ lock-filename %(lock-filename)s
 # Logging configuration
 <eventlog>
   <logfile>
+    dateformat
     path %(event_log)s
   </logfile>
 </eventlog>
 <logger access>
   <logfile>
+    dateformat
     path %(z2_log)s
   </logfile>
 </logger>