bump k8s and flannel versions

Author: pblaas

config.env.sample

@@ -6,8 +6,8 @@ WORKER_GW=192.168.2.1
 WORKER_IP1=192.168.2.20
 WORKER_IP2=192.168.2.21
 WORKER_HOSTS=(192.168.2.20 192.168.2.21)
-K8S_VER=v1.7.6_coreos.0
-FLANNEL_VER=v0.7.1
+K8S_VER=v1.7.9_coreos.0	
+FLANNEL_VER=v0.8.0
 K8S_SERVICE_IP=10.3.0.1
 DNSSERVER=8.8.8.8
 CLUSTER_DNS=10.3.0.10