Bump version to v0.2.21

Author: mbloch

mapshaper.js

@@ -7834,7 +7834,7 @@ MapShaper.getFormattedStringify = function(numArrayKeys) {
 
 
 var GeoJSON = MapShaper.geojson = {};
-GeoJSON.ID_FIELD = "FID";
+GeoJSON.ID_FIELD = "FID"; // default field name of imported *JSON feature ids
 
 MapShaper.importGeoJSON = function(src, opts) {
   var srcObj = utils.isString(src) ? JSON.parse(src) : src,

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "mapshaper",
-	"version": "0.2.20",
+	"version": "0.2.21",
 	"description": "A tool for editing vector datasets for mapping and GIS.",
 	"keywords": ["shapefile","topojson","geojson","cartography","simplification","topology","gis"],
 	"author": "Matthew Bloch <masiyou@gmail.com>",

www/index.html

@@ -14,7 +14,7 @@
 
 <div id="page-wrapper">
 <div class="g-page-header">
-	<div class="g-mapshaper-logo">map<span class="g-logo-highlight">shaper</span> <span class="mshp-version">v. 0.2.20</span></div>
+	<div class="g-mapshaper-logo">map<span class="g-logo-highlight">shaper</span> <span class="mshp-version">v. 0.2.21</span></div>
 
 	<div id="g-simplify-control-wrapper"><div id="g-simplify-control"><span class="g-label">Simplify</span>
 		<div class="g-slider">

www/mapshaper.js

@@ -9673,7 +9673,7 @@ MapShaper.getFormattedStringify = function(numArrayKeys) {
 
 
 var GeoJSON = MapShaper.geojson = {};
-GeoJSON.ID_FIELD = "FID";
+GeoJSON.ID_FIELD = "FID"; // default field name of imported *JSON feature ids
 
 MapShaper.importGeoJSON = function(src, opts) {
   var srcObj = utils.isString(src) ? JSON.parse(src) : src,