Update changelog (#436)

* Update changelog

Signed-off-by: Jinbo Wang <[email protected]>

* Update changelog per review

Author: testforstephen

CHANGELOG.md

@@ -16,6 +16,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fix: Update Active Editor oct icon to file instead of clock. [#403](https://github.com/Microsoft/vscode-java-debug/issues/403).
 - Fix: Launching the debuggee with the same JDK as java language server instead of JRE. [#366](https://github.com/Microsoft/vscode-java-debug/issues/366).
 - Fix: Avoid pop up error window many times for logpoints in a loop. [#360](https://github.com/Microsoft/vscode-java-debug/issues/390).
+- Fix: Debug buttons disabled. [#411](https://github.com/Microsoft/vscode-java-debug/issues/411)
+- Fix: StepResponse/ContinueResponse should be sent before StoppedEvent. [java-debug#134](https://github.com/Microsoft/java-debug/issues/134)
 
 ## 0.12.2 - 2018-9-6
 ### Fixed