* VMware - Ignore disk not found error on cleanup when the VM disk doesn't exists
* VMware - Retry powerOn on lock issues
* addressed comments
* Update CPVM reboot tests - wait for the agent to Disconnect and back Up
* Retry moveDatastoreFile when any file access issue while creating volume from snapshot
* Update full clone flag when restoring vm using root disk offering with more size than the template size
* refactored (mainly,for diskInfo - causing NPE in some cases)
* Retry moveDatastoreFile when there is any file access issue