set osd_pool_default_pgp_num from fuel_settings
set osd_pool_default_pgp_num from fuel_settings

Puppet doesn't reuse value of the osd_pool_default_pg_num parameter of
the ceph class, so osd_pool_default_pgp_num has to be populated
separately from the same storage setting value in the fuel_settings.

Change-Id: Ia0b4481161b31581292d7a4a2ee6c19e78e9dedd
Closes-Bug: #1359321

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