copy_puppet_logs: use sudo to rename horizon config
copy_puppet_logs: use sudo to rename horizon config

Use sudo to rename horizon config file because the default permissions do not allow it.

Without sudo, the mv fails because of "Permission denied".

Change-Id: Iec7f557c8565c5f70c490a32e1ad1d0ebd39868a
openstack-infra/project-config,dongwenjuan/project-config,openstack-infra/project-config,noorul/os-project-config,noorul/os-project-config,Tesora/tesora-project-config,Tesora/tesora-project-config,dongwenjuan/project-config