add initial draft for hello world example

samples/hello-world/src/main/resources/app-context.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:p="http://www.springframework.org/schema/p"
+	xmlns:context="http://www.springframework.org/schema/context"
+	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
+
+	<import resource="cache-context.xml"/>
+	
+	<!-- find beans by scanning the classpath -->
+	<context:component-scan base-package="org.springframework.data.gemfire.samples.helloworld"/>	
+</beans>