Merge pull request #529 from robszumski/master

fix(oem-rackspace): increase etcd timeout

sdk_container/src/third_party/coreos-overlay/coreos-base/oem-rackspace/files/cloud-config.yml

@@ -53,3 +53,9 @@ coreos:
       name: Rackspace Cloud Servers
       home-url: https://www.rackspace.com/cloud/servers/
       bug-report-url: https://github.com/coreos/coreos-overlay
+write_files:
+    - path: /run/systemd/system/etcd.service.d/10-oem.conf
+      permissions: 0644
+      content: |
+        [Service]
+        Environment=ETCD_PEER_ELECTION_TIMEOUT=1200