added cartodb-importer to gitignore
added cartodb-importer to gitignore

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