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/NativeGuiceTests.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.guice;
+
+import static org.junit.Assert.assertNotNull;
+
+import javax.inject.Inject;
+
+import org.junit.Test;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.name.Names;
+
+/**
+ * @author Dave Syer
+ *
+ */
+public class NativeGuiceTests {
+
+	@Inject
+	private Foo bar;
+
+	@Test
+	public void test() {
+		Injector app = Guice.createInjector(new TestConfig());
+		NativeGuiceTests instance = app.getInstance(NativeGuiceTests.class);
+		assertNotNull(instance.bar);
+	}
+
+	public static class TestConfig extends AbstractModule {
+		@Override
+		protected void configure() {
+			bind(Foo.class).annotatedWith(Names.named("bar")).to(Foo.class);
+		}
+	}
+
+	public static class Foo {}
+}