Added release dates in the NEWS file (#314)
Added release dates in the NEWS file (#314)

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