Set ulimit from /etc/default/rabbitmq-server
Set ulimit from /etc/default/rabbitmq-server

Allow rabbitmq to handle a lot of connections on scale

Change-Id: Ia63e9eae2344535a2b0213c0fb2e9693c6317735
Closes-Bug: 1405657
Signed-off-by: Sergii Golovatiuk <98168b9e97e341cddc0074e7bec42876c0bd6617@mirantis.com>

eayunstack/fuel-library,huntxu/fuel-library,xarses/fuel-library,huntxu/fuel-library,eayunstack/fuel-library,SmartInfrastructures/fuel-library-dev,ddepaoli3/fuel-library-dev,ddepaoli3/fuel-library-dev,xarses/fuel-library,SmartInfrastructures/fuel-library-dev,zhaochao/fuel-library,stackforge/fuel-library,ddepaoli3/fuel-library-dev,xarses/fuel-library,SmartInfrastructures/fuel-library-dev,stackforge/fuel-library,zhaochao/fuel-library,xarses/fuel-library,stackforge/fuel-library,stackforge/fuel-library,zhaochao/fuel-library,huntxu/fuel-library,eayunstack/fuel-library,ddepaoli3/fuel-library-dev,SmartInfrastructures/fuel-library-dev,ddepaoli3/fuel-library-dev,SmartInfrastructures/fuel-library-dev,eayunstack/fuel-library,zhaochao/fuel-library,eayunstack/fuel-library,huntxu/fuel-library,huntxu/fuel-library,zhaochao/fuel-library