This change removes the Spring Cloud Task dependency upon a
CommandLineRunner from boot and moves the handling of the task lifecycle
closer to the "edge" of a Spring Boot application.
With this change, now a developer simply adds @EnableTask to their
configuration somewhere and the task lifecycle will be recorded.
Resolvesspring-cloud/spring-cloud-task#39
* Timestamp Demonstrates a Spring boot/task application as a single java file.
* HelloWorld Demonstrates a Spring boot/task application using java configuration.
resolvesspring-cloud/spring-cloud-task#23