Update version to 1.5.0 and update manifest (#152)

* Bump coredns to v1.5.0 and update manifest

* revert /tmp workaround

kubernetes/coredns.yaml.sed

@@ -55,9 +55,9 @@ data:
     .:53 {
         errors
         health
+        ready
         kubernetes CLUSTER_DOMAIN REVERSE_CIDRS {
           pods insecure
-          upstream
           fallthrough in-addr.arpa ip6.arpa
         }FEDERATIONS
         prometheus :9153
@@ -99,7 +99,7 @@ spec:
         beta.kubernetes.io/os: linux
       containers:
       - name: coredns
-        image: coredns/coredns:1.3.1
+        image: coredns/coredns:1.5.0
         imagePullPolicy: IfNotPresent
         resources:
           limits:
@@ -112,8 +112,6 @@ spec:
         - name: config-volume
           mountPath: /etc/coredns
           readOnly: true
-        - name: tmp
-          mountPath: /tmp
         ports:
         - containerPort: 53
           name: dns
@@ -143,13 +141,11 @@ spec:
           failureThreshold: 5
         readinessProbe:
           httpGet:
-            path: /health
-            port: 8080
+            path: /ready
+            port: 8181
             scheme: HTTP
       dnsPolicy: Default
       volumes:
-        - name: tmp
-          emptyDir: {}
         - name: config-volume
           configMap:
             name: coredns