Add volume management option for compute nodes
Add volume management option for compute nodes

This commit adds an option that can be used to
enable volume management on compute nodes.

It also adds a parameter that can be used to determine the name
of the volume group where volumes should be allocated from.

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