Adding mapbox-gl branch

mapbox-gl/examples/accessible.js

@@ -0,0 +1,25 @@
+var map = new ol.Map({
+  layers: [
+    new ol.layer.Tile({
+      source: new ol.source.OSM()
+    })
+  ],
+  renderer: exampleNS.getRendererFromQueryString(),
+  target: 'map',
+  controls: ol.control.defaults({
+    attributionOptions: /** @type {olx.control.AttributionOptions} */ ({
+      collapsible: false
+    })
+  }),
+  view: new ol.View({
+    center: [0, 0],
+    zoom: 2
+  })
+});
+
+jQuery('#map').after('<button type="button" ' +
+    'onclick="map.getView().setZoom(map.getView().getZoom() - 1);">' +
+    'Zoom out</button>');
+jQuery('#map').after('<button type="button" ' +
+    'onclick="map.getView().setZoom(map.getView().getZoom() + 1);">' +
+    'Zoom in</button>');