Add rally group
Add rally group

This inclued 3 modules: python-rallyclient, rally and osprofiler

Change-Id: I6cd23bb1c42bddbd9caa732d12d24c11b0360817

Mirantis/stackalytics,AlexanderYAPPO/stackalytics,Code-Fly/stackalytics,nihilifer/stackalytics,stackforge/stackalytics,danielmellado/stackalytics,Code-Fly/stackalytics,openstack/stackalytics,danielmellado/stackalytics,stackforge/stackalytics,openstack/stackalytics,mohitsethi/stackalytics,dliu2015/stackalytics_zanata,dliu2015/stackalytics_zanata,mhharsh/stackalytics,0xf2/stackalytics,Solinea/stackalytics,danielmellado/stackalytics,Mirantis/stackalytics,mhharsh/stackalytics,openstack/stackalytics,openstack/stackalytics,stackforge/stackalytics,AlexanderYAPPO/stackalytics,nihilifer/stackalytics,0xf2/stackalytics,Solinea/stackalytics,AlexanderYAPPO/stackalytics,Solinea/stackalytics,mohitsethi/stackalytics,0xf2/stackalytics,dliu2015/stackalytics_zanata,mohitsethi/stackalytics,Mirantis/stackalytics,mhharsh/stackalytics,nihilifer/stackalytics,0xf2/stackalytics,Code-Fly/stackalytics