message: Chaange log update
diff: * Added support to configure the default *.sln file loaded when opening a project with multiple *.sln files in the root. _(Contributed by [@janaka](https://github.com/janaka))_ (PR: [#2053](https://github.com/OmniSharp/omnisharp-vscode/pull/2053))
  +* Added support for tracking opening, closing and changing of virtual documents that don't exist on disk(PR: [#2436] (https://github.com/OmniSharp/omnisharp-vscode/pull/2436)) _(Contributed by [@NTaylorMullen](https://github.com/NTaylorMullen))
  #### Misc
  * Added test execution output to the output of the Run/Debug Test CodeLens. (PR: [#2337](https://github.com/OmniSharp/omnisharp-vscode/pull/2337), [#2343](https://github.com/OmniSharp/omnisharp-vscode/pull/2343), [omnisharp-roslyn#1203](https://github.com/OmniSharp/omnisharp-roslyn/pull/1203))
  * Fixed a bug where a debug session could not be started and duplicate logs were displayed after a previous one failed due to build failure. (PR: [#2405](https://github.com/OmniSharp/omnisharp-vscode/pull/2405), [omnisharp-roslyn#1239](https://github.com/OmniSharp/omnisharp-roslyn/pull/1239))
  +#### Options
  +
  +* Added `monoPath` option to use the mono installation at the specified path when the `useGlobalMono` is set to "always" or "auto".(PR: [#2425] (https://github.com/OmniSharp/omnisharp-vscode/pull/2425)) _(Contributed by [@shana](https://github.com/shana))
  +
  ## 1.15.2 (May 15, 1018)
  * Fixed a 1.30.0 regression that prevented the script project system from working on Unix-based systems ([omnisharp-roslyn#1184](https://github.com/OmniSharp/omnisharp-roslyn/pull/1184), PR: [omnisharp-roslyn#1185](https://github.com/OmniSharp/omnisharp-roslyn/pull/1185)) _(Contributed by [@filipw](https://github.com/filipw))_
  