Implements fix to run lbaas service on fedora with devstack
Implements fix to run lbaas service on fedora with devstack

changes 'user_group = nobody' in 'haproxy' section of lbaas_agent.ini

Change-Id: I801fec5a11d8abd97cb6f5cdff35fabb9eaf9000
Closes-Bug: 1283064

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