Include guava copyright announcement

distribution/LICENSE-BIN

@@ -296,4 +296,22 @@ The source code of jna can be found at https://github.com/java-native-access/jna
 
  A copy is also included in the downloadable source code package
  containing JNA, in file "AL2.0", under the same directory
- as this file.
+ as this file.
+------
+This product has a bundle guava, which is available under the ASL2 License.
+The source code of guava can be found at https://github.com/google/guava.
+
+ Copyright (C) 2007 The Guava authors 
+
+ Licensed 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.
+