[openFATE 309083] support OBS interconnect for kiwi image builds

Feature changed by: Adrian Schröter (adrianSuSE) Feature #309083, revision 2 Title: support OBS interconnect for kiwi image builds - Buildservice: Evaluation + Buildservice: Done Priority Requester: Important Projectmanager: Important Requested by: Adrian Schröter (adriansuse) Developer: (Novell) Description: kiwi image builds (at least appliances, dunno about products) fail when using a repository on a remote instance of OBS. -- openSUSE Feature: https://features.opensuse.org/309083