Update wmts-hidpi, add nicer-api-docs

wmts-hidpi/examples/modify-features.js

@@ -1,20 +1,17 @@
 var raster = new ol.layer.Tile({
-  style: 'Aerial',
   source: new ol.source.MapQuest({
     layer: 'sat'
   })
 });
 
-var source = new ol.source.GeoJSON({
-  projection: 'EPSG:3857',
-  url: 'data/geojson/countries.geojson'
-});
-
 var vector = new ol.layer.Vector({
-  source: source
+  source: new ol.source.GeoJSON({
+    projection: 'EPSG:3857',
+    url: 'data/geojson/countries.geojson'
+  })
 });
 
-var select = new ol.interaction.Select({});
+var select = new ol.interaction.Select();
 
 var modify = new ol.interaction.Modify({
   features: select.getFeatures()
@@ -23,7 +20,6 @@ var modify = new ol.interaction.Modify({
 var map = new ol.Map({
   interactions: ol.interaction.defaults().extend([select, modify]),
   layers: [raster, vector],
-  renderer: 'canvas',
   target: 'map',
   view: new ol.View2D({
     center: [0, 0],