update changelog

ph · ph · commit 9e08eb9c1cc6 · 2015-10-07T11:11:24.000-04:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,5 @@
+## 2.0.0
+ - Plugins were updated to follow the new shutdown semantic, this mainly allows Logstash to instruct input plugins to terminate gracefully, 
+   instead of using Thread.raise on the plugins' threads. Ref: https://github.com/elastic/logstash/pull/3895
+ - Dependency on logstash-core update to 2.0
+
