This patch consumes the test scripts implemented by
https://review.openstack.org/375061 to ensure that
the tests and test preparation is consistent and
more maintainable.
Change-Id: I635914f58a095362788f4430b578e8d5f9009842
Updates the multi-distro framework to add CentOS7 support.
Depends-On: Ieadcdd70e9b8271aee3880896255a5037f56567e
Change-Id: I7e889ea4653a6972ea7f8208416fc1fc3db45e5c
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>