* Open XEL file changes
* placeholders for openxel
* add observable xe reader
* md format tweaks
* implement localfile as a new session type
* add ErrorMessage to session stopped notice
* fix flaky test
* handle already running session
* fix stopped session event send on file completion
* fix flaky unit test
* Update XElite and dependent versions
* Fix errors after merge and remove failing tests for now
* Fix main merge mess-up.
Address comments.
Add one more relevant test.
* Remove extra namespace.
* Remove unnecessary import
* Fix build error
* Address comments.
* Remove disabiling JSON002 compiler warning
* Address comments and update json handling
* Fix build error
* Fix integration test (emerged due to Main merge mess up)
* Clean up code (no functional changes)
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Co-authored-by: Karl Burtram <karlb@microsoft.com>
Co-authored-by: shueybubbles <david.shiflet@microsoft.com>
