Fixed link creation during stack process.
Fixed link creation during stack process.

During the stack process, some destination links are already
present in the system. To avoid an error during the stack
process, all the links created are forced using the option
'-f'.

Change-Id: Ic059a06fca787d853bf986923c481de869697b57
Closes-Bug: #1524431

sapcc/monasca-api,stackforge/monasca-api,openstack/monasca-api,stackforge/monasca-api,sapcc/monasca-api,openstack/monasca-api,stackforge/monasca-api,openstack/monasca-api,stackforge/monasca-api,sapcc/monasca-api