userportal,webadmin: login wait state

- Fixed login failure event not firing when input
validation failed. This caused the login screen to
never get out of wait state.

Change-Id: I17912c83eb46a06d4b8474eb09bf11726e8eca43
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=912758
Signed-off-by: Alexander Wels <awels@redhat.com>