restapi,userportal,webadmin: secure cookie

- Added secure cookie for session in webadmin,
  userportal, and rest api.

Change-Id: I4de909c25ec7b28d12dc7e325c366962c85d32a7
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1142728
Signed-off-by: Alexander Wels <awels@redhat.com>