added support for layers with kind="torque" (BACKEND) CDB-363
added support for layers with kind="torque" (BACKEND) CDB-363

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