add event pipeline yaml
add event pipeline yaml

Ceilometer as added support for an event pipeline to enable
transformations and publishing of events. this patch adds the new
event_pipeline.yaml file

Change-Id: I7018a57e7db3690d72fd7c7d5090e6e61cf73e18

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