use LogFormat closer to default apache config and add request time

In the same time, it is useless to define to logformat when only
one is used. Using format closer to default apache allows to
more easily use various log parsers

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

@@ -34,9 +34,9 @@ RequestHeader unset REMOTE_USER
 
 # Log configuration
 ErrorLog "%(error_log)s"
-LogFormat "%%h %%{REMOTE_USER}i %%l %%u %%t \"%%r\" %%>s %%b \"%%{Referer}i\" \"%%{User-Agent}i\"" combined
-LogFormat "%%h %%{REMOTE_USER}i %%l %%u %%t \"%%r\" %%>s %%b" common
-CustomLog "%(access_log)s" common
+# Default apache log format with request time in microsecond at the end
+LogFormat "%%h %%l %%u %%t \"%%r\" %%>s %%b \"%%{Referer}i\" \"%%{User-Agent}i\" %%D" combined
+CustomLog "%(access_log)s" combined
 
 # Directory protection
 <Directory />