Code cleanup & port change for source & sink examples

spring-cloud-stream-samples/source/README.md

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+Spring Cloud Streams Source Sample
+=============================
+
+In this sample for *Spring Cloud Streams* we will post a timestamp to the stream on an interval determined by the fixedDelay configuration.
+
+## Requirements
+
+In order for the sample to run you will need to have installed:
+
+* Java 7 or Above
+
+## Code Tour
+
+This sample is a Spring Boot application that uses Spring Cloud Streams to send time stamp data to a stream. The source module has 3 primary components
+
+* SourceApplication - in which is the Spring Boot Main Application
+* TimeSource - the module that will generate the timestamp and post the message to the stream
+* TimeSourceOptionsMetadata - defines the configurations that are available to setup the TimeSource
+    	 * format - how to render the current time, using SimpleDateFormat
+    	 * fixedDelay - time delay between messages, expressed in TimeUnits (seconds by default)
+    	 * initialDelay - an initial delay when using a fixed delay trigger, expressed in TimeUnits (seconds by default)
+    	 * timeUnit - the time unit for the fixed and initial delays
+    	 * maxMessages - the maximum messages per poll; -1 for unlimited
+
+## Building with Maven
+
+Build the sample simply by executing:
+
+	source>$ mvn clean package
+
+## Running the Sample
+
+This example requires a local instance of Redis to be up an running.
+To start the source module execute the following:
+
+	source>$ java -jar target/spring-cloud-streams-sample-source-1.0.0.BUILD-SNAPSHOT-exec.jar
+