Add Kubernetes 1.14.8 support

images.properties

@@ -1,8 +1,8 @@
 k8s.gcr.io/pause:3.1=registry.cn-hangzhou.aliyuncs.com/google_containers/pause:3.1
-k8s.gcr.io/kube-controller-manager:v1.15.5=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.15.5
+k8s.gcr.io/kube-controller-manager:v1.14.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-controller-manager:v1.14.8
-k8s.gcr.io/kube-scheduler:v1.15.5=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.15.5
+k8s.gcr.io/kube-scheduler:v1.14.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-scheduler:v1.14.8
-k8s.gcr.io/kube-proxy:v1.15.5=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.15.5
+k8s.gcr.io/kube-proxy:v1.14.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-proxy:v1.14.8
-k8s.gcr.io/kube-apiserver:v1.15.5=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.15.5
+k8s.gcr.io/kube-apiserver:v1.14.8=registry.cn-hangzhou.aliyuncs.com/google_containers/kube-apiserver:v1.14.8
 k8s.gcr.io/etcd:3.3.10=registry.cn-hangzhou.aliyuncs.com/google_containers/etcd:3.3.10
 k8s.gcr.io/coredns:1.3.1=registry.cn-hangzhou.aliyuncs.com/google_containers/coredns:1.3.1
 k8s.gcr.io/kubernetes-dashboard-amd64:v1.10.1=registry.cn-hangzhou.aliyuncs.com/google_containers/kubernetes-dashboard-amd64:v1.10.1