libvirt: convert SMBFS vol driver to LibvirtBaseFileSystemVolumeDriver
libvirt: convert SMBFS vol driver to LibvirtBaseFileSystemVolumeDriver

Part of blueprint consolidate-libvirt-fs-volume-drivers

Change-Id: Ia5dba86f620aa0c161037cea7860269126f37350

noironetworks/nova,sebrandon1/nova,fnordahl/nova,mmnelemane/nova,klmitch/nova,barnsnake351/nova,openstack/nova,nikesh-mahalka/nova,klmitch/nova,BeyondTheClouds/nova,MountainWei/nova,raildo/nova,takeshineshiro/nova,sebrandon1/nova,hanlind/nova,zhimin711/nova,edulramirez/nova,isyippee/nova,jianghuaw/nova,alaski/nova,shail2810/nova,felixma/nova,edulramirez/nova,vmturbo/nova,scripnichenko/nova,gooddata/openstack-nova,cyx1231st/nova,jianghuaw/nova,shail2810/nova,gooddata/openstack-nova,cyx1231st/nova,MountainWei/nova,vmturbo/nova,zhimin711/nova,Juniper/nova,phenoxim/nova,BeyondTheClouds/nova,mmnelemane/nova,mikalstill/nova,Juniper/nova,devendermishrajio/nova,bigswitch/nova,vmturbo/nova,JianyuWang/nova,phenoxim/nova,scripnichenko/nova,takeshineshiro/nova,mahak/nova,j-carpentier/nova,vmturbo/nova,watonyweng/nova,cloudbase/nova,cloudbase/nova,cernops/nova,openstack/nova,rajalokan/nova,klmitch/nova,gooddata/openstack-nova,isyippee/nova,NeCTAR-RC/nova,CEG-FYP-OpenStack/scheduler,LoHChina/nova,fnordahl/nova,gooddata/openstack-nova,devendermishrajio/nova,alaski/nova,sebrandon1/nova,openstack/nova,hanlind/nova,cernops/nova,TwinkleChawla/nova,Juniper/nova,mahak/nova,jianghuaw/nova,Francis-Liu/animated-broccoli,CEG-FYP-OpenStack/scheduler,noironetworks/nova,j-carpentier/nova,ted-gould/nova,CCI-MOC/nova,cernops/nova,rajalokan/nova,mikalstill/nova,ted-gould/nova,dims/nova,barnsnake351/nova,jianghuaw/nova,dims/nova,JianyuWang/nova,hanlind/nova,mikalstill/nova,rahulunair/nova,Francis-Liu/animated-broccoli,rajalokan/nova,yosshy/nova,yosshy/nova,apporc/nova,apporc/nova,klmitch/nova,whitepages/nova,raildo/nova,BeyondTheClouds/nova,mahak/nova,nikesh-mahalka/nova,zzicewind/nova,TwinkleChawla/nova,whitepages/nova,felixma/nova,cloudbase/nova,Juniper/nova,watonyweng/nova,rajalokan/nova,CCI-MOC/nova,LoHChina/nova,bigswitch/nova,NeCTAR-RC/nova,rahulunair/nova,zzicewind/nova,rahulunair/nova