Add ability to enable OSprofiler
Add ability to enable OSprofiler

To enable OSprofiler we should be able to add "profiler" notification
topic to ceilometer notification topics.

More about OSprofiler:
https://github.com/stackforge/osprofiler

More about ceilometer plugin:
https://review.openstack.org/#/c/100239/

Sample of trace (via Cinder and Nova Services):
http://pavlovic.me/rally/profiler/

Change-Id: I6137174a3ecddd58f62e0f98b235b71b1c070f13

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