message: Add today's date to the changelog
diff: * When opening a .csproj-based .NET Core project in VS Code, the C# extension will not activate until a C# file is opened in the editor. ([#1150](https://github.com/OmniSharp/omnisharp-vscode/issues/1150))
  * There currently is no completion support for package references in csproj files. ([#1156](https://github.com/OmniSharp/omnisharp-vscode/issues/1156))
  -## 1.9.0
  +## 1.9.0 (April 20, 2017)
  #### Unit Testing
  