
This change: - adds support for multiple volume attachments based on LUN ID - handles the new exceptions raised by pypowervm during iSCSI discovery (and logout) - improves iSCSI attach unit tests - add additional parameters to discovery and remove calls - add support for multipath - add support for RR Change-Id: If9f3b581bcde57f9ce84b9a2cbe0bb2f9ecaa68c