* It's not possible to prevent python-nose (which is not compatible
with Tempest) from being installed since so many os packages
dependent on it.
* This patch installs python-nose1.1 from EPEL and adds a
/usr/local/bin symlink for nosetests1.1 so that invocations for
Tempest will work as expected.
Change-Id: I756d1ca5eda127dcdd2efb047c8e14dd344f710d