added .rvmrc file to .gitignore
added .rvmrc file to .gitignore

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