Use https for openlayers.org

changelog/v3.5.0.md

@@ -53,7 +53,7 @@ The 3.5.0 release includes features and fixes from a whopping 129 pull requests
   });
   ```
 
-  See http://openlayers.org/en/master/examples/vector-layer.html for a real example.
+  See https://openlayers.org/en/master/examples/vector-layer.html for a real example.
 
   Note that you no longer need to set a `projection` on the source!
 
@@ -75,7 +75,7 @@ The 3.5.0 release includes features and fixes from a whopping 129 pull requests
 
   The above code uses jQuery to send an Ajax request, but you can obviously use any Ajax library.
 
-  See http://openlayers.org/en/master/examples/igc.html for a real example.
+  See https://openlayers.org/en/master/examples/igc.html for a real example.
 
 * Note about KML
 
@@ -133,9 +133,9 @@ The 3.5.0 release includes features and fixes from a whopping 129 pull requests
   });
   ```
 
-  See http://openlayers.org/en/master/examples/vector-osm.html for a real example.
+  See https://openlayers.org/en/master/examples/vector-osm.html for a real example.
 
-* The experimental `ol.loadingstrategy.createTile` function has been renamed to `ol.loadingstrategy.tile`. The signature of the function hasn't changed. See http://openlayers.org/en/master/examples/vector-osm.html for an example.
+* The experimental `ol.loadingstrategy.createTile` function has been renamed to `ol.loadingstrategy.tile`. The signature of the function hasn't changed. See https://openlayers.org/en/master/examples/vector-osm.html for an example.
 
 ### Change to `ol.style.Icon`