Usecase: User deauthorizes EDI application from IdP

[servilla]

An external user deauthorizes EDI application from IdP.

Story: User/Group Management and Microsoft SSO #3

Goal:
Allow an external user to deauthorize the EDI application from the identity provider (this is critical when the User signs-in from a "public" computer).

Actors:

1. External user
2. System
3. IdP

Prerequisites:

1. User has authenticated to system with identity "A".
2. User "A" is authenticated in system.

Actions:

1. User "A" selects "manage user profile" menu.
2. System displays "manager user profile" menu.
3. User "A" selects "deauthorize EDI app" menu item.
4. System redirect User "A" to IdP "A" deauthorize interface.
5. Users "A" selects deauthorize.
6. IdP redirects User back to System.
7. System signs out User "A" from System.