APOLLO-3720 added in the ability to remove a child from a parent
Merge pull request #131 from ministryofjustice/APOLLO-3720

APOLLO-3720 added in the ability to remove a child from a parent
[#APOLLO-4116] Added validation for blank roles.
[#APOLLO-4116] Updated tests for blank roles
Removed redundant function in test
Merge pull request #132 from ministryofjustice/APOLLO-4116_Added_validation_for_blank_roles

[#APOLLO-4116] Added validation for blank roles.
Merge branch 'master' into APOLLO-3946-Partial-refactor