Include bulk in swift proxy pipeline
Include bulk in swift proxy pipeline

With bulk delete enabled for gnocchi, this option should
be included in pipeline as well.

Change-Id: I5786c6f14e3aab9e167c22d8f72c5c1688440e95

dprince/tripleo-heat-templates,dprince/tripleo-heat-templates,trozet/opnfv-tht,trozet/opnfv-tht,openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,trozet/opnfv-tht