Merge pull request #8 from MirantisDellCrowbar/feature/cleanup/pebbles/master

Feature/cleanup/pebbles/master
Merge pull request #9 from crowbar/release/pebbles/master

pull last changes
rpms
fixes for centos/rhel
force to use nosetest for rhel from venv
Merge pull request #41 from MirantisDellCrowbar/feature/DCB-149/pebbles/master

rhel/centos support for openstack [9/12]
Smoked without issue, note Ubuntu python-testtools package still needs update to >=0.9.28, it's still at 0.9.24
Added simple processor to generate csv report using two different tempest xml result files as input and showing delta in output.
Backport from mesa-1.6.1
Merge pull request #47 from dpaterson/pull-req-release-pebbles-master-ed09f164923da2b84c21cf7f6e9a26ff02d6f14b

https://github.com/crowbar/barclamp-tempest/pull/47

Merged by devtool for ArkadyKanevsky