Update dependencies to Icehouse versions

Should be merged after merge of:
https://review.openstack.org/#/c/84967/
Update dependencies to Icehouse:
* python-cinderclient
* python-ceilometerclient
* python-keystoneclient
* python-novaclient
* python-heatclient
* python-muranoclient
* python-saharaclient
* requests
* six

Change-Id: Ib38df37a9759d59c234b64d66be4cb0966bd5ce5
Related-Bug: #1307590