Increase xinetd connections for rsync
Increase xinetd connections for rsync

- Increase connections to 512 with 10 second rate
- Set per_source to UNLIMITED
- Specify IPv4 flag

Change-Id: Ia007301eca8e006e9792c73d0d35350588c48b96
Closes-bug: 1330495
Closes-bug: 1322577

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