Add license.
Add license.

maxogden/topojson,ststeiger/topojson,youprofit/topojson,koshlan/topojson,whoinlee/topojson,ongerit/topojson,mbostock/topojson,studiowangfei/topojson,AlpinHologramm/topojson,btahir/topojson,tsl3su/WorldMap_Choropleth,lyhpcha/topojson,sgillies/topojson,hcxiong/topojson,sgillies/topojson