Adding --debug to the packstack runs
Adding --debug to the packstack runs

Based on the #rdo irc chat, this have packstack to do not
delete the maniest and hieradata files, which makes debuging packstack
failures easier.

Change-Id: I7d2263e69489f4d4bce4eb521dd2707984e7864a

okolisny/InfraRed,okolisny/InfraRed,okolisny/InfraRed,redhat-openstack/infrared,redhat-openstack/infrared,redhat-openstack/infrared