XigmaNAS/svn 6774 — branches/11.2.0.4/conf config.xml, branches/11.2.0.4/etc/inc config.inc properties_diag_log_settings.php
rename field 'system' to 'sendsystemeventmessages' to avoid xpath issues
rename field 'system' to 'sendsystemeventmessages' to avoid xpath issues