atomic: public names generator
atomic: public names generator

Sahara Hadoop metrics require name generator to be public. Make it so.

Change-Id: I04cff4add9e7fd13918bf56ae67fcae1b80f2467

eonpatapon/rally,group-policy/rally,paboldin/rally,group-policy/rally,paboldin/rally,yeming233/rally,eonpatapon/rally,openstack/rally,vganapath/rally,gluke77/rally,vganapath/rally,openstack/rally,amit0701/rally,gluke77/rally,vganapath/rally,eayunstack/rally,gluke77/rally,eayunstack/rally,gluke77/rally,amit0701/rally,yeming233/rally,eayunstack/rally,paboldin/rally,group-policy/rally,vganapath/rally,openstack/rally,openstack/rally,amit0701/rally