prep for 2.1.0 release (#373)

+ add CHANGELOG.md
  + update end year in NOTICE to 2020
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..9b173e2
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,47 @@
+<!--
+#
+# 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
+ + Handle URL params gently (#370)
+ + Change nodejs:6 to nodejs:default. (#369)
+ + Use Kafka client 1.3.0 (#363)
+ + Handle cases when authKey does not exist in DB documents (#366)
+ + Retry failed database changes (#365)
+ + Do not skip last sequence if an exception occurs (#364)
+ + Update existing trigger feeds on create instead of failing (#360)
+ + Allow feed to be deleted if trigger does not exist (#359)
+ + Change some log levels and allow log level to be set on startup (#357)
+ + Do not update last canary everytime a database connection attempt occurs (#356)
+ + Disable triggers for invalid auth when using custom auth handler (#354)
+ + Ensure proper encoding for improper encoded keys (#353)
+ + Use API key for authentication when username is token (#350)
+ + Catch Doctor exceptions and do not persist consumer database connections (#343)
+ + Disable spare connections (#342)
+ + Set running state after brokers are connected (#340)
+ + Reset consumer restart counter after 24 hours (#337)
+
+## 2.0.1
+ + Prevent parsing floats as Infinity and -Infinity (#332)
+ + Upgrade base Python version (#330)
+
+## 2.0.0-incubating
+
+* First Apache Release
diff --git a/NOTICE.txt b/NOTICE.txt
index bd5fef8..1fd64cb 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,5 +1,5 @@
 Apache OpenWhisk Package Kafka
-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/).