disable client side libvirt debug logging
disable client side libvirt debug logging

and tune server side libvirt logging to the values that danpb
suggested would be useful on the openstack-dev mailing list.

Change-Id: I4b1c780d1dd4d2eecc81fabe42c07cc2a9e0e3f4

mssumanth/devstack,andrewrothstein/devstack,Juniper/devstack,LoHChina/devstack,liuquansheng47/devstack,bigswitch/devstack,atulpatil301/devstack,mc2014/devstack,eharney/devstack,varunarya10/devstack,dtroyer/devstack,TwinkleChawla/devstack,ozamiatin/devstack,affo/devstack,herrsechs/devstack,BSJAIN92/OpenStack,affo/devstack,flavio-fernandes/devstack,rushiagr/devstack,NaokiMiyata/devstack,neerja28/Devstack_GlusterFS,wenhuizhang/devstack,group-policy/devstack,eharney/devstack,upadhyay-prashant/devstack,pczerkas/devstack,varunarya10/devstack,BSJAIN92/OpenStack,bq-xiao/devstack,mmasaki/devstack,kplus/devstack-moonshot,mssumanth/devstack,LoHChina/devstack,pacinete/devstack,JioCloud/devstack,thomasem/devstack,dirkmueller/devstack,andrewrothstein/devstack,samgoon/devstack,vishnugonela/devstack,NaokiMiyata/devstack,nawawi/openstack,openstack-dev/devstack,j4/devstack,dtroyer/devstack,Millnert/contrail-devstack,costingalan/devstack,richliu/devstack,bswartz/devstack,CloudServer/devstack,noironetworks/devstack,nuxeh/devstack,Mahito/devstack,mc2014/devstack,olivierlemasle/devstack,avvocatodemarchis/devstack,dirkmueller/devstack,Mahito/devstack,neerja28/Devstack_GlusterFS,tianweizhang/devstack,kplus/devstack-moonshot,promptworks/devstack,innodee/openstackk,vishnugonela/devstack,pombredanne/devstack,prithivm/branch01,j4/devstack,pombredanne/devstack,olivierlemasle/devstack,bljgaurav/openstack-test,sc68cal/devstack,parul24/devstack,bq-xiao/devstack,jamielennox/devstack,thomasem/devstack,HPCHub/devstack,openstack-dev/devstack,prithivm/branch01,sequenceiq/devstack,mmasaki/devstack,parul24/devstack,virtualopensystems/devstack,atulpatil301/devstack,bswartz/devstack,nuxeh/devstack,flavio-fernandes/devstack,vsham20/devstack,group-policy/devstack,costingalan/devstack,nawawi/openstack,vsham20/devstack,srics/devstack,liuquansheng47/devstack,CloudServer/devstack,noironetworks/devstack,sc68cal/devstack,tianweizhang/devstack,rushiagr/devstack,avvocatodemarchis/devstack,ozamiatin/devstack,williamthegrey/devstack,pacinete/devstack,upadhyay-prashant/devstack,samgoon/devstack,TwinkleChawla/devstack,bljgaurav/openstack-test,bigswitch/devstack,HPCHub/devstack,herrsechs/devstack,pczerkas/devstack,wenhuizhang/devstack,promptworks/devstack,richliu/devstack,sequenceiq/devstack,eshnil2000/devstack