python-novaclient should be installed from PyPI
python-novaclient should be installed from PyPI

Change the invocation for installation to refer to the released version
of novaclient.

Change-Id: Icc785986cbb1762f99484d22d4159f9e78b28276

DonSchenck/api-site,rackerlabs/api-site,dreamhost/api-site,rackerlabs/api-site,Tesora/tesora-api-site,openstack/api-site,Tesora/tesora-api-site,rackerlabs/api-site,openstack/api-site,openstack/api-site,Tesora/tesora-api-site,DonSchenck/api-site,Tesora/tesora-api-site,varunarya10/api-site,dreamhost/api-site,JioCloud/api-site,dreamhost/api-site,DonSchenck/api-site,dreamhost/api-site,Tesora/tesora-api-site,varunarya10/api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,dreamhost/api-site,DonSchenck/api-site,openstack/api-site,dreamhost/api-site,rackerlabs/api-site,dreamhost/api-site,DonSchenck/api-site