-) = delete isn't supported. Moving destructor out of scope.
-) variadic templates aren't supported. Replacing emplace_back's construction.
-) C++11's {} inline construction isn't supported. Adding temporary variables.
-) std::list<> can't work on a non-declared class. Changing to a raw pointer.

In the presence of garbage collectors, this helps ensure that completion
queues outlive the servers that depend upon them.

Add a GrpcLibrary class to wrap grpc_init and grpc_shutdown and convert all the tests to init/shutdown free.