orleans

Remove unnecessary service registration that causes a "Circular Reference" error with Autofac (#2747)

Merge pull request #2736 from jdom/netcore-helloworld

GrainReferences hold a reference to a RuntimeClient instance (#2738)

Reduce severity of ~"codegen asm not present" message from Warn to Info (#2739)

Change CodeGen classes to be non-static (#2737)