AMBARI-18165. Alert on Atlas after adding it to a secure cluster as HBase table initialization fails - added missing ASL header (smohanty)

ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/templates/atlas_hbase_setup.rb.j2

@@ -1,3 +1,21 @@
+{#
+# 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.
+#}
+
 _tbl_titan = '{{atlas_graph_storage_hbase_table}}'
 _tbl_audit = '{{atlas_audit_hbase_tablename}}'
 _usr_atlas = '{{metadata_user}}'