Add Python 2.6 jobs to Castellan
Add Python 2.6 jobs to Castellan

Castellan is a client library, so it should be tested for Python 2.6
compatibility at the gate.

Change-Id: Iff0ffb69f9e65f6bc42570294b580d681f4f059d

coolsvap/project-config,citrix-openstack/project-config,dongwenjuan/project-config,noorul/os-project-config,Tesora/tesora-project-config,coolsvap/project-config,dongwenjuan/project-config,openstack-infra/project-config,noorul/os-project-config,Tesora/tesora-project-config,openstack-infra/project-config,anbangr/osci-project-config,citrix-openstack/project-config,anbangr/osci-project-config