Update wmts-hidpi, add nicer-api-docs

nicer-api-docs/examples/rotation.js

@@ -0,0 +1,14 @@
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.OSM()
+    })
+  ],
+  renderer: exampleNS.getRendererFromQueryString(),
+  target: 'map',
+  view: new ol.View2D({
+    center: [-25860000, 4130000],
+    rotation: Math.PI / 6,
+    zoom: 10
+  })
+});