Update venv-ostf dependency for Havana

Update versions for next dependencies:
* python-novaclient
* python-cinderclient
* python-heatclient
* python-muranoclient
* python-ceilometerclient
* oslo.config
* six
* requests

Delete installation of next unused in OSTF clients:
* python-quantumclient
* python-glanceclient

Closes-bug bug/1250862
Merge pull request #923 from tleontovich/rebased-bug-1250862

Update venv-ostf dependency for Havana