Merge pull request #109 from nmittler/readme_update

Updating Java code in README.md

README.md

@@ -223,10 +223,8 @@ has all the protocol buffer code to populate, serialize, and retrieve our
 
     ```java
   public static interface Greeter {
-
-    public void SayHello(ex.grpc.Helloworld.HelloRequest request,
-        com.google.net.stubby.stub.StreamObserver<ex.grpc.Helloworld.HelloReply>
-        responseObserver);
+      public void sayHello(io.grpc.examples.Helloworld.HelloRequest request,
+          io.grpc.stub.StreamObserver<io.grpc.examples.Helloworld.HelloReply> responseObserver);
   }
     ```
 
@@ -234,8 +232,7 @@ has all the protocol buffer code to populate, serialize, and retrieve our
 
   ```java
   public static class GreeterStub extends
-      com.google.net.stubby.stub.AbstractStub<GreeterStub,
-      GreeterServiceDescriptor>
+      io.grpc.stub.AbstractStub<GreeterStub, GreeterServiceDescriptor>
       implements Greeter {
    ...
   }