[importer] Use custom quote character for non-common encodings
[importer] Use custom quote character for non-common encodings

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