Add ne_10m_land-tiled-merc dataset
Add ne_10m_land-tiled-merc dataset

mapzen/vector-datasource,kyroskoh/vector-datasource,adncentral/vector-datasource,adncentral/vector-datasource,zoondka/vector-datasource,mapzen/vector-datasource,kyroskoh/vector-datasource,mapzen/vector-datasource,adncentral/vector-datasource,zoondka/vector-datasource,adncentral/vector-datasource,gronke/vector-datasource,gronke/vector-datasource