Update KProj to latest format
React to AddOptions change
Add schema version to kproj files
Moving IExpiration trigger into a new namespace

While refactoring the IFileSystem, IExpirationTrigger was moved to a new namespace. So moving this namespace as well.

Related PR: https://github.com/aspnet/FileSystem/pull/20/files
Updating to release NuGet.config
Updating to dev NuGet.config
adding logging statements to session