increase robustness of geometry column detection in JS. Fixes #650
increase robustness of geometry column detection in JS. Fixes #650

datapolitan/cartodb20,datapolitan/cartodb20,datapolitan/cartodb20,jmwenda/nationmaps,jmwenda/nationmaps,datapolitan/cartodb20,jmwenda/nationmaps,jmwenda/nationmaps