Tarball-constraints should only run on liberty+
Tarball-constraints should only run on liberty+

'{name}-tarball-constraints should never run on releases prior to
liberty.  Add a broad regex rule to catch this.

Change-Id: Ieee4e1392ffe919eab90b80a702fcca77d333577
Closes-Bug: 1519750

openstack-infra/project-config,noorul/os-project-config,Tesora/tesora-project-config,noorul/os-project-config,openstack-infra/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,dongwenjuan/project-config