SCT-23 Added sample apps for Spring Cloud Task

* Timestamp  Demonstrates a Spring boot/task application as a single java file.
* HelloWorld Demonstrates a Spring boot/task application using java configuration.

resolves spring-cloud/spring-cloud-task#23

spring-cloud-task-samples/pom.xml

@@ -2,14 +2,26 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<parent>
-		<artifactId>spring-cloud-task-parent</artifactId>
-		<groupId>org.springframework.cloud</groupId>
-		<version>1.0.0.BUILD-SNAPSHOT</version>
-	</parent>
+
 	<modelVersion>4.0.0</modelVersion>
 
 	<artifactId>spring-cloud-task-samples</artifactId>
+	<packaging>pom</packaging>
+
+	<parent>
+		<groupId>org.springframework.cloud</groupId>
+		<artifactId>spring-cloud-task-parent</artifactId>
+		<version>1.0.0.BUILD-SNAPSHOT</version>
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<java.version>1.7</java.version>
+	</properties>
+
+	<modules>
+		<module>timestamp</module>
+	</modules>
 
 	<build>
 		<pluginManagement>
@@ -30,5 +42,4 @@
 			</plugins>
 		</pluginManagement>
 	</build>
-
 </project>