* Include the appcallback.proto into the Dapr.Client package
To implement service invocation for a gRPC API, a user must implement the AppCallback service on the callee site. Currently this must be done by integrating the `appcallpack.proto` file as also the depending `common.proto` file into the gRPC service application. The `Dapr.Client` package contains already the same `common.proto` file to generate the client classes. This results in a CS0433 error, because the `Dapr.Client` package and the generated AppCallback service will contain a `Dapr.Client.Autogen.Grpc.v1` namespace with the exact same classes.
This pull requests integrates the `appcallpack.proto` into the client package. With this fix the user does not need to integrate the proto files by itself.
See: https://gitter.im/Dapr/community?at=5f14b7e98a9a0a08cbab5d53
* Remove specific names