do entity initialization in subtask, where policy etc init is currently done; and mark that task transient so it doesn't look ugly in the gui!
Merge pull request #1302 from ahgittin/misc-task-names

do entity initialization in subtask, where policy etc init is currently ...
More location customisation aids

* Sets the caller context on same server entities to the entity rather
  than the lifecycle tasks class
* Invokes JcloudsLocationCustomizer instances with the ConfigBag being
  used to obtain machines if such a constructor exists, otherwise
  invokes the class' no-argument constructor.