Ability to address commands to different clouds

The patch adds ability to address commands using extra targeting composed
from pillar and extra_target option to different clouds even though they
have the same pillar structure.

Change-Id: I6f6d67e30399c581d85f29fe8a1345a3b4e10063
Related-PROD: PROD-20579
Related-PROD: PROD-20581
2 files changed