Modify to eliminate naming conflicts between replicated-map/ and distributed-map/

* reproduce error importing all samples into eclipse

 eclipse->file->import->general/existing projects into workspace->next->select root directory:hazelcast-code-samples->finish
  creation problems: resource '/basics' already exists.
  ..'/atomiclong' already exists.
  ..'/entry-listener'..
  ..'/in-memory-format'..

* rename 3 entities in distributed-map/ to distribute-map-<original-name> and update corresponding files

 basics --> distributed-map-basics
 entry-listener --> distributed-entry-listener
 in-memory-format --> distributed-in-memory-format