Make Murmur warn if any of the grpc options are set, but the binary is built without gRPC support.
Make Murmur warn if any of the grpc options are set, but the binary is built without gRPC support.

Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble,Lartza/mumble