Implement bay_ironic.py
Implement bay_ironic.py

Update following methods:
1) bay_list
2) bay_delete
3) bay_show

Change-Id: Ie8c8769c9a27db6d201036a1b84e347a183ec92f

dimtruck/magnum,mjbrewer/testindex,hongbin/magnum,Tennyson53/magnum,LaynePeng/magnum,jay-lau/magnum,Tennyson53/SUR,eshijia/magnum,ChengTiesheng/magnum,Alzon/SUR,ffantast/magnum,mjbrewer/testindex,annegentle/magnum,dimtruck/magnum,ArchiFleKs/magnum,eshijia/SUR,hongbin/magnum,paulczar/magnum,ramielrowe/magnum,openstack/magnum,Alzon/SUR,LaynePeng/magnum,ramielrowe/magnum,Tennyson53/SUR,mjbrewer/testindex,annegentle/magnum,ChengTiesheng/magnum,Tennyson53/magnum,eshijia/SUR,ArchiFleKs/magnum,ddepaoli3/magnum,sajuptpm/magnum,ffantast/magnum,ddepaoli3/magnum,paulczar/magnum,sajuptpm/magnum,eshijia/magnum,openstack/magnum