Fix Neutron configuration if Ceilometer is enabled
Fix Neutron configuration if Ceilometer is enabled

Previously if Ceilometer service was enabled,
configuration option to enable Neutron network
notifications was not set. This fixes it.

Change-Id: Ia53d9db1828ef2daa0ce637b2a2635795856502c
Closes-Bug: #1340754

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