shixiong/okd @ d4a7cf1054bd43dd793fa67b8ccbb9873b67ea8f

Andrew Butcher b8e72ea214 Merge pull request #2358 from abutcher/service-serving-certs		9 lat temu
..
oo_filters.py	85c6743a01 Add ability to disable pvc creation	9 lat temu
oo_zabbix_filters.py	d1d0bb94e2 adding itservice	9 lat temu
openshift_master.py	05047e0e60 enable service-serving-cert-signer by default	9 lat temu
openshift_node.py	4d4793233e Fix configuration of dns_ip	9 lat temu