Adding python-kubernetes to requirements
Adding python-kubernetes to requirements

This new package provides kubernetes python
client apis needed for magnum integration.

Partially-Implements: blueprint python-k8sclient

Change-Id: I175db1008c5f96b96d8889b5f9b41ef2d02f3a88

ArchiFleKs/magnum,openstack/magnum,LaynePeng/magnum,ramielrowe/magnum,eshijia/SUR,ffantast/magnum,Tennyson53/SUR,Tennyson53/magnum,ddepaoli3/magnum,Tennyson53/SUR,dimtruck/magnum,jay-lau/magnum,hongbin/magnum,sajuptpm/magnum,LaynePeng/magnum,ChengTiesheng/magnum,ffantast/magnum,hongbin/magnum,annegentle/magnum,openstack/magnum,mjbrewer/testindex,eshijia/magnum,ramielrowe/magnum,ArchiFleKs/magnum,mjbrewer/testindex,sajuptpm/magnum,eshijia/SUR,Tennyson53/magnum,Alzon/SUR,dimtruck/magnum,Alzon/SUR,ddepaoli3/magnum,eshijia/magnum,ChengTiesheng/magnum,paulczar/magnum,paulczar/magnum,annegentle/magnum,mjbrewer/testindex