Add uniqueness validation to Orphan based on name, father_name & mother_name
Clean up tests for orphan uniqueness validation
Modify orphan_listfeatures/step_definitions/admin/orphan_lists_steps.rbimport to fail a bit less clumsily when importing invalid orphan records
OSRA-264; Modify pending_orphan_lists controller to validate new Orphan records
Merge pull request #175 from NikitaAvvakumov/orphan_uniqueness

Orphan uniqueness
OSRA-264 #resolve