qa_crowbarsetup: add localhost to no_proxy variable
qa_crowbarsetup: add localhost to no_proxy variable

automatically when using a proxy
so that the corporate proxy will not send stupid HTML
instead of the JSON we expect

gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,aspiers/automation,gosipyan/automation,aspiers/automation,gosipyan/automation,vmoravec/automation,SUSE-Cloud/automation,vmoravec/automation,SUSE-Cloud/automation,vmoravec/automation,gosipyan/automation