make sure that the_webmercator geom is created and some fixes to CSV upload
make sure that the_webmercator geom is created and some fixes to CSV upload

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