Support to get/set the state of an account via REST

By GET on /accounts/<account-id>/active it can be checked whether an
account is active or inactive.

Gerrit administrators can set an account to active/inactive by
PUT/DELETE on /accounts/<account-id>/active.

Change-Id: I068e2f743469e00326c347b5663ecea42c424c5a
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
5 files changed