Updated openstack/openstack
Project: openstack/python-novaclient  516b1a7692d75e5212379f3b776dfe2d9ba4d8d1

add tox target for python 3.4

Ubuntu 14.04 has python 3.4 so add a 3.4 target. 
Note that this will fail unless
you have new enough virtualenv. Recommend you install the packaged
version of 1.11.4 and get rid of any pip installed ones.

Change-Id: Ib54dc49fca2463f1c5cd788b48d06bd85be52655