GEODE-6240 - Add license to ubuntu packer files (#427)

* Fix format issues
diff --git a/cppcache/include/geode/HashMapOfPools.hpp b/cppcache/include/geode/HashMapOfPools.hpp
index 5a2354f..75cd5ab 100644
--- a/cppcache/include/geode/HashMapOfPools.hpp
+++ b/cppcache/include/geode/HashMapOfPools.hpp
@@ -17,16 +17,16 @@
 
 #pragma once
 
-#include <unordered_map>
-#include <string>
 #include <memory>
+#include <string>
+#include <unordered_map>
 
 namespace apache {
-    namespace geode {
-        namespace client {
-            class Pool;
+namespace geode {
+namespace client {
+class Pool;
 
-            using HashMapOfPools = std::unordered_map <std::string, std::shared_ptr<Pool>>;
-        }
-    }
-}
+using HashMapOfPools = std::unordered_map<std::string, std::shared_ptr<Pool>>;
+}  // namespace client
+}  // namespace geode
+}  // namespace apache
diff --git a/cppcache/include/geode/PoolManager.hpp b/cppcache/include/geode/PoolManager.hpp
index 1fb58d1..058a9bb 100644
--- a/cppcache/include/geode/PoolManager.hpp
+++ b/cppcache/include/geode/PoolManager.hpp
@@ -26,10 +26,10 @@
 #include <unordered_map>
 
 #include "Cache.hpp"
-#include "geode/HashMapOfPools.hpp"
 #include "Pool.hpp"
 #include "PoolFactory.hpp"
 #include "Region.hpp"
+#include "geode/HashMapOfPools.hpp"
 #include "internal/geode_base.hpp"
 #include "internal/geode_globals.hpp"
 
diff --git a/packer/ubuntu/files/etc/systemd/system/update-hosts.service b/packer/ubuntu/files/etc/systemd/system/update-hosts.service
index 6d0117d..cd954ce 100644
--- a/packer/ubuntu/files/etc/systemd/system/update-hosts.service
+++ b/packer/ubuntu/files/etc/systemd/system/update-hosts.service
@@ -1,3 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+
 [Unit]
 Description=Ensure an A record exists for local hostname in /etc/hosts
 After=network.target
diff --git a/packer/ubuntu/files/usr/local/bin/update-hosts.sh b/packer/ubuntu/files/usr/local/bin/update-hosts.sh
index 7971a92..43921de 100644
--- a/packer/ubuntu/files/usr/local/bin/update-hosts.sh
+++ b/packer/ubuntu/files/usr/local/bin/update-hosts.sh
@@ -1,5 +1,20 @@
 #!/bin/bash
 
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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.
+
 # add hostname to /etc/hosts if not set
 if (! getent hosts `hostname` >/dev/null); then
   echo `hostname -I` `hostname` >> /etc/hosts