Use vip address where controller0 was used for endpoints

This change is required to resolve scaling issue for
OVERCLOUD_CONTROLSCALE > 1

Basicly change affected all the places where endpoints
were configured to use controller0 ctlplane ip address

Change-Id: I76eb9d2b81d3ef5e9fae408f2432515f4de13e12
Merge "Use vip address where controller0 was used for endpoints"