Updated openstack/openstack
Project: openstack/oslo-incubator  0cced7d6119c9e54b7685ef94152de8b2e917904

Change clone_openstack.sh to ignore stackforge by default

Oslo projects will not be in stackforge, so we can ignore those by
default and save time and space.

Change-Id: Ia01e23cc4d38f4a5de06919495873fe57975d444