[openFATE 309341] Make new status for "unsigned"

Feature changed by: Adrian Schröter (adrianSuSE) Feature #309341, revision 2 Title: Make new status for "unsigned" - Buildservice: New + Buildservice: Done Priority Requester: Desirable + Projectmanager: Important Requested by: Adrian Schröter (adriansuse) + Developer: (Novell) Description: Give status of "unsigned" instead of just "finished" in case scheduler waits for signing. -- openSUSE Feature: https://features.opensuse.org/309341