Ability to stop puppet deploy at every nodes

Change-Id: Ie8d0e82b04cc53f9cebe150415d00c1f3d9aa22e
Improve support the SCSI disk identification: detect 128 disks instead of 16

Change-Id: Id17c67e518234f4a159ce8f674f04f5158b8bc74
Related-Bug: #1273086
Fix problem with retry of mcollective tasks

* Fix problem with retry of mcollective tasks;
* Fix test to detect such behavior in future.

Change-Id: I5ee77caf9d9754415a636283d238e1bbc33d1b16
Related-Bug: #1268701
Closes-Bug: #1273772
Merge "Improve support the SCSI disk identification: detect 128 disks instead of 16"
Merge "Ability to stop puppet deploy at every nodes"