Extract some of the ACI Tree functionalities, and decouple it from the
main source. Also - create some abstractions from the repeated code
around the enable/disable the schema children object create/edit/delete
functionalities, and also created the dialog wrappers for backup and
restore dialogs.
Reviewed by: Khushboo and Ashesh
Refactored by: Ashesh
Khushboo Vashi
Murtuza Zabuawala
Joao De Almeida Pereira
Ashesh Vashi