* Fix analyzer errors in Renci.SshNet and Renci.SshNet.TestTools.OpenSSH.
Suppress all errors in unit tests and integration tests.
* Update unit tests now that we pass 'mode' as argument name when we throw ArgumentException.
* Remove stale comment and add unit tests for SshData.ReadBytes(int length).
* Remove unnessary suppression.
* Remove Visual Studio magic.
* Removed duplicate source file.
* Clarified that suppression hides a false positive.
* Remove suppressions for S2372.
* Update ReadExtensionPair() to return concrete dictionary.
* Move test projects to test folder.
Move global.json to root of repo.
Update solution items in solution.
* Move test projects to test folder.
Move global.json to root of repo.
Update solution items in solution.
Update appveyor configuration/
* Attempt to have appveyor use the correct .NET SDK.
* Update .NET SDK to version 7.0.402.
* Move Data folder below Renci.SshNet.Tests.
* Make csinst less chatty.
* Move Data folder directly below test folder as it's used by multiple test projects.
* Remove CS1591 nowarn from concrete test projects as this is already defined in the Directory.Build.props that is in the test folder.
* Fix integration test after moving test projects
---------
Co-authored-by: drieseng <gert.driesen@telenet.be>
Rob Hague