JCLOUDS-457: Long live tests

The long live tests have been added. These tests takes several
hours and will leave traces in your AWS account.
`Closer` helps write this more succinctly in Java 6 (Java 7 introduces try-with-resources):

```
Closer closer = Closer.create();
try {
   InputStream inputStream = closer.register(api.getJobOutput(VAULT_NAME, archiveRetrievalJob).openStream());
   InputStream expectedInputStream = closer.register(buildData(PART_SIZE * 2 * MiB).openStream());
   assertThat(inputStream).hasContentEqualTo(expectedInputStream);
} finally {
   closer.close();
}
```