Sourcing common provisioning script from new location after refactor of provisoning.

Issue: Server manager manifest uses some common shell script from provisoning.
As part of the refactor effort in provisoning, folder staructure has changed.

Fix: Updating the manifest to pickup from new location.
Change-Id: I3a209f0071126a2a88fb08d39423162ba37b1c99
Merge "Sourcing common provisioning script from new location after refactor of provisoning."