Extract kubernetes-keygen to its own repo: mesosphere/kubernetes-keygen

- Move keygen image mesosphere/kubernetes-mesos-keygen -> mesosphere/kubernetes-keygen:v1.0.0
- Remove resolveip in favor of github.com/karlkfi/resolveip (resolveip.sh)
- Remove util-temp-dir.sh in favor of github.com/karlkfi/intemp (intemp.sh)
- Refactor bash code to use intemp (extract functions to scripts)
- Remove util-ssl.sh in favor of mesosphere/kubernetes-keygen

cluster/mesos/docker/deploy-dns.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Deploy the Kube-DNS addon
+
+set -o errexit
+set -o nounset
+set -o pipefail
+set -o errtrace
+
+KUBE_ROOT=$(cd "$(dirname "${BASH_SOURCE}")/../../.." && pwd)
+source "${KUBE_ROOT}/cluster/${KUBERNETES_PROVIDER}/${KUBE_CONFIG_FILE-"config-default.sh"}"
+kubectl="${KUBE_ROOT}/cluster/kubectl.sh"
+
+workspace=$(pwd)
+
+# Process salt pillar templates manually
+sed -e "s/{{ pillar\['dns_replicas'\] }}/${DNS_REPLICAS}/g;s/{{ pillar\['dns_domain'\] }}/${DNS_DOMAIN}/g" "${KUBE_ROOT}/cluster/addons/dns/skydns-rc.yaml.in" > "${workspace}/skydns-rc.yaml"
+sed -e "s/{{ pillar\['dns_server'\] }}/${DNS_SERVER_IP}/g" "${KUBE_ROOT}/cluster/addons/dns/skydns-svc.yaml.in" > "${workspace}/skydns-svc.yaml"
+
+# Use kubectl to create skydns rc and service
+"${kubectl}" create -f "${workspace}/skydns-rc.yaml"
+"${kubectl}" create -f "${workspace}/skydns-svc.yaml"