Use KeyExistsAsync for exists check (dotnetcore#1004)

Update docs.

Fixed consumer register cancellation token source null referencee bug. (

dotnetcore#952)

Merge pull request dotnetcore#936 from dotnetcore/supports/flow-control

Improve flow control for message of in memory

Add docs path filter for github action.

Update version.props

DiagnosticObserver does not use null connection (dotnetcore#845)

* DiagnosticObserver does not use null connection

* Make TryGetSqlConnection static.

Co-authored-by: Dave Smith <dave.smith@ventivtech.com>

Fix memory leak when using transction to publish message. (dotnetcore…

…#816)

Fix attribute in Quick Start (dotnetcore#802)

Change from `FromService` to `FromServices`.
Ref:
https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.fromservicesattribute

Remove test connection string from sample