Update wmts-hidpi, add nicer-api-docs

nicer-api-docs/examples/side-by-side.js

@@ -0,0 +1,34 @@
+var domMap = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.MapQuest({layer: 'sat'})
+    })
+  ],
+  renderer: 'dom',
+  target: 'domMap',
+  view: new ol.View2D({
+    center: [0, 0],
+    zoom: 1
+  })
+});
+
+if (ol.BrowserFeature.HAS_WEBGL) {
+  var webglMap = new ol.Map({
+    renderer: 'webgl',
+    target: 'webglMap'
+  });
+  webglMap.bindTo('layergroup', domMap);
+  webglMap.bindTo('view', domMap);
+} else {
+  var info = document.getElementById('no-webgl');
+  /**
+   * display error message
+   */
+  info.style.display = '';
+}
+
+var canvasMap = new ol.Map({
+  target: 'canvasMap'
+});
+canvasMap.bindTo('layergroup', domMap);
+canvasMap.bindTo('view', domMap);