Add Sub-consginee and End user

[cameotisha]

• [ ] User should be able to delete node if not required for that level
• [ ] deleting one node should not affect the other nodes on the same level
• [ ] deleting one node should not affect nodes on above
• [ ] deleting one node should delete all nodes below
• [ ] user should be asked to confirm if they want to delete before a node and its children are deleted
• [ ] IP should only be able to delete details entered by them..