Add support for bean names

Users can in inject Spring beans by name in Guice using
@Named, or they can inject Guice beans in Spring as long
as they have @Named providers.

Fixes gh-7

src/test/java/org/springframework/guice/GuiceWiringTests.java

@@ -18,6 +18,7 @@ import javax.inject.Singleton;
 import com.google.inject.AbstractModule;
 import com.google.inject.Guice;
 import com.google.inject.Injector;
+import com.google.inject.name.Names;
 
 /**
  * @author Dave Syer
@@ -36,7 +37,8 @@ public class GuiceWiringTests extends AbstractCompleteWiringTests {
 		protected void configure() {
 			bind(Service.class).to(MyService.class);
 			bind(Baz.class).in(Singleton.class);
+			bind(Thang.class).annotatedWith(Names.named("thing")).to(Thang.class);
 		}
 	}
-	
+
 }