SCT-12 Creates the SCSt sink that can launch tasks.

resolves  spring-cloud/spring-cloud-task#12

spring-cloud-task-samples/tasksink/README.adoc

@@ -0,0 +1,19 @@
+= TaskSink
+
+Is a stream sink that will accept messages with the payload of `TaskLaunchRequest` and
+launch the task that was specified in the request.
+
+== Requirements:
+
+* Java 7 or Above
+
+== Build:
+
+[source,shell,indent=2]
+----
+$ ./mvnw clean install -DskipInstall=false
+----
+
+== Dependencies:
+
+The task processor requires an instance of Redis to be running.