Freeze version of rake gems
Freeze version of rake gems

Change-Id: Ib5af3efde0b2edd2401e85a143119bc13d21d9b2
Closes-Bug: #1297664

SmartInfrastructures/fuel-main-dev,SmartInfrastructures/fuel-main-dev,zhaochao/fuel-main,Fiware/ops.Fuel-main-dev,teselkin/fuel-main,stackforge/fuel-main,AnselZhangGit/fuel-main,AnselZhangGit/fuel-main,ddepaoli3/fuel-main-dev,SmartInfrastructures/fuel-main-dev,zhaochao/fuel-main,huntxu/fuel-main,stackforge/fuel-main,Fiware/ops.Fuel-main-dev,SergK/fuel-main,eayunstack/fuel-main,teselkin/fuel-main,ddepaoli3/fuel-main-dev,dancn/fuel-main-dev,teselkin/fuel-main,ddepaoli3/fuel-main-dev,stackforge/fuel-main,eayunstack/fuel-main,zhaochao/fuel-main,dancn/fuel-main-dev,Fiware/ops.Fuel-main-dev,zhaochao/fuel-main,AnselZhangGit/fuel-main,huntxu/fuel-main,dancn/fuel-main-dev,AnselZhangGit/fuel-main,zhaochao/fuel-main,Fiware/ops.Fuel-main-dev,huntxu/fuel-main,SergK/fuel-main,SmartInfrastructures/fuel-main-dev,dancn/fuel-main-dev,ddepaoli3/fuel-main-dev,SergK/fuel-main,eayunstack/fuel-main,teselkin/fuel-main