py26/py33 are no longer supported by Infra's CI
py26/py33 are no longer supported by Infra's CI

Python 3.3/2.6 support would be dropped by
Infra team from mitaka,CI would no longer be testing it,
so projects should drop it also.

Change-Id: If5662f101340ae0e4b892b65ea285f5979441b61

stackforge/nova-docker,Juniper/nova-docker,Juniper/nova-docker,stackforge/nova-docker