Build autoscaler 1.20
Build autoscaler 1.20

Change-Id: Ib5c50a4aadc3ad0c0340fd7497a368c43b6e8ac1
Signed-off-by: Spyros Trigazis <1e6dbf5402ced737cda15d668682ea874352489e@cern.ch>

openstack/magnum,ArchiFleKs/magnum,ArchiFleKs/magnum,openstack/magnum