CA-116958: "VM.copy locking failed" error observed on build - 75698

Override slave mode lvm.conf for lvchange --refresh command on slaves

Signed-off-by: Chandrikas Srinivasan <chandrika.srinivasan@citrix.com>
Acked-by: Germano Percossi <germano.percossi@citrix.com>

GitHub: closes #36 on xapi-project/sm
Revert "CA-116958: "VM.copy locking failed" .."

This reverts commit f3899834a557d61989fa3a59dfed23b77ec0b204.

Signed-off-by: Germano Percossi <germano.percossi@citrix.com>
Revert all "Productise removal of lvm2.."

Reverts:
35754c0be5e8a985695aead8af02383a9a3db875.
e603b0a268f8e8140d44ceff6ecec85adf990099.
185e24fc3f219d1101b56ce79996015139227d9e.
71289160b71f3a24b51bd94ebd1f6b3a57164975.