Merge pull request #3063 from eileenmcnaughton/rebase

CRM-14581 upgrade Multisite form including stdise group api

diff --cc CRM/Activity/BAO/Activity.php
Simple merge

diff --cc CRM/Contact/BAO/Relationship.php
Simple merge

diff --cc api/v3/Case.php
Simple merge

diff --cc api/v3/utils.php
Simple merge