Switch to quote service (SOAP endpoint actually exists)

The weather service we had been using no longer exists and there
doesn't seem to be a simple publicly available alternative
(everyone is using plain HTTP these days). So this change converts
the sample to a public SOAP service that does stock quotes.

Fixes gh-9

complete/src/main/java/hello/QuoteConfiguration.java

@@ -0,0 +1,29 @@
+
+package hello;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.oxm.jaxb.Jaxb2Marshaller;
+
+@Configuration
+public class QuoteConfiguration {
+
+	@Bean
+	public Jaxb2Marshaller marshaller() {
+		Jaxb2Marshaller marshaller = new Jaxb2Marshaller();
+		// this package must match the package in the <generatePackage> specified in
+		// pom.xml
+		marshaller.setContextPath("hello.wsdl");
+		return marshaller;
+	}
+
+	@Bean
+	public QuoteClient quoteClient(Jaxb2Marshaller marshaller) {
+		QuoteClient client = new QuoteClient();
+		client.setDefaultUri("http://www.webservicex.com/stockquote.asmx");
+		client.setMarshaller(marshaller);
+		client.setUnmarshaller(marshaller);
+		return client;
+	}
+
+}