MIFOSX-1724: Provide service around group administration
completed by: Mohammed Nafees
Provide a service to administrate groups.
- creating a group
- retrieve all groups
- retrieve specific group
- retrieve account information for a group
- update group
- delete group
All mandatory fields and needed validation should be done on the client side to reduce chattiness.
Provide unit tests.
Internal Task can be found here: https://mifosforge.jira.com/browse/MIFOSX-1724