ceilometer does not set db in conf file
ceilometer does not set db in conf file

Set [database]connection option to mongodb rather than sqlite as mongodb
is the only fully supported db.

Change-Id: I2b9fbc65de4476593d456a782dbc7e6540a75141
Fixes: bug #1186240

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