Move openstack-qa repo to attic

It's not used any more, qa.o.o redirects to the tempest dev docs.

Change-Id: I99eed7b05b8e4b828b46660e9a502a8f720a3aae
Move melange to attic

Change-Id: Ied0a4b1de24ca4f1ae9eb9e45440568ed76a7947
Merge "Move openstack-qa repo to attic"
Merge "Move melange to attic"