added the alternative buffer to the attribute value class (will be needed for the sotrage of the restore value)
Added method to IODataDriver for fetch the datasets from a restore point tag
finalized the restore operation on cu and modified teh snapshot utility to restore a set of device-id
all need to be tested
finalized the restore operation in control unit (need to be tested more accurately)
delete the foudn dataset after usage to free memory
Merge pull request #14 in CHAOS/chaosframework from feature/CHSFRMWRK-74-snapshot-restore-on-cu to development

* commit 'fa98339019451b0d153c28bdcfdb36694a164b42':
  delete the foudn dataset after usage to free memory
  finalized the restore operation in control unit (need to be tested more accurately)
  finalized the restore operation on cu and modified teh snapshot utility to restore a set of device-id all need to be tested
  Added method to IODataDriver for fetch the datasets from a restore point tag
  added the alternative buffer to the attribute value class (will be needed for the sotrage of the restore value)