add CHANGELOG and update end year in NOTICE (#213)

diff --git a/CHANGELOG.md b/CHANGELOG.md
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+<!--
+#
+# 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.
+#
+-->
+
+# Changelog
+
+## 2.1.0
+
+* NodeJS version: 10.20.1
+* Update existing trigger feeds on create instead of failing (#202)
+* Add `strict` option while get trigger (#210)
+* Fix default value is always true (#209)
+* Fixed strict option not working (#208)
+* Update database authentication method to resolve issue with special characters (#155)
+* Apply needle client (#205)
+* remove use of short header in all cases (#193)
+
+## 2.0.0-incubating
+
+* First Apache Release
diff --git a/NOTICE.txt b/NOTICE.txt
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 Apache OpenWhisk Package Alarms
-Copyright 2016-2019 The Apache Software Foundation
+Copyright 2016-2020 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).