CDB-2891 Add database_host to User#api_attributes
CDB-2891 Add database_host to User#api_attributes

dbirchak/cartodb,nuxcode/cartodb,thorncp/cartodb,CartoDB/cartodb,UCL-ShippingGroup/cartodb-1,DigitalCoder/cartodb,nyimbi/cartodb,nyimbi/cartodb,raquel-ucl/cartodb,nuxcode/cartodb,dbirchak/cartodb,nuxcode/cartodb,thorncp/cartodb,UCL-ShippingGroup/cartodb-1,codeandtheory/cartodb,thorncp/cartodb,DigitalCoder/cartodb,raquel-ucl/cartodb,bloomberg/cartodb,DigitalCoder/cartodb,UCL-ShippingGroup/cartodb-1,thorncp/cartodb,future-analytics/cartodb,splashblot/dronedb,future-analytics/cartodb,splashblot/dronedb,UCL-ShippingGroup/cartodb-1,nyimbi/cartodb,nyimbi/cartodb,bloomberg/cartodb,nuxcode/cartodb,UCL-ShippingGroup/cartodb-1,bloomberg/cartodb,dbirchak/cartodb,codeandtheory/cartodb,nyimbi/cartodb,raquel-ucl/cartodb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,raquel-ucl/cartodb,future-analytics/cartodb,CartoDB/cartodb,future-analytics/cartodb,raquel-ucl/cartodb,bloomberg/cartodb,DigitalCoder/cartodb,splashblot/dronedb,codeandtheory/cartodb,codeandtheory/cartodb,dbirchak/cartodb,future-analytics/cartodb,nuxcode/cartodb,bloomberg/cartodb,dbirchak/cartodb,splashblot/dronedb,thorncp/cartodb,CartoDB/cartodb,DigitalCoder/cartodb,codeandtheory/cartodb