Remove strict constraint for cliff-tablib enables packaging on ubuntu
Remove strict constraint for cliff-tablib
enables packaging on ubuntu

Change-Id: I4ec61677056720446ac67d6c6ad9e58a04865ad0

SmartInfrastructures/fuel-web-dev,huntxu/fuel-web,huntxu/fuel-web,SmartInfrastructures/fuel-web-dev,huntxu/fuel-web,koder-ua/nailgun-fcert,nebril/fuel-web,SmartInfrastructures/fuel-web-dev,zhaochao/fuel-web,zhaochao/fuel-web,eayunstack/fuel-web,nebril/fuel-web,huntxu/fuel-web,koder-ua/nailgun-fcert,stackforge/fuel-web,eayunstack/fuel-web,eayunstack/fuel-web,zhaochao/fuel-web,eayunstack/fuel-web,zhaochao/fuel-web,prmtl/fuel-web,zhaochao/fuel-web,prmtl/fuel-web,huntxu/fuel-web,SmartInfrastructures/fuel-web-dev,prmtl/fuel-web,nebril/fuel-web,koder-ua/nailgun-fcert,prmtl/fuel-web,prmtl/fuel-web,stackforge/fuel-web,SmartInfrastructures/fuel-web-dev,nebril/fuel-web,stackforge/fuel-web,koder-ua/nailgun-fcert,eayunstack/fuel-web,nebril/fuel-web