Merge branch 'openseadragon:master' into master

changelog.txt

@@ -19,6 +19,7 @@ OPENSEADRAGON CHANGELOG
 * Tile cache keys are now generated by the tile source, so it's easier to override them as needed (#2138 @Aiosa)
 * Now if you pass an error handler into makeAjaxRequest, it doesn't report errors into the console (#2142 @Aiosa)
 * Fixed error caused by attaching MouseTracker to the page's document element (#2145 @tdiprima)
+* Added fallback and deprecation warning for Viewer.buttons (which got changed to buttonGroup in 3.0.0) (#2153 @devbyjonah)
 
 3.0.0:
 

src/viewer.js

@@ -507,6 +507,12 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
         return this.open( tileSource );
     },
 
+    //deprecated
+    get buttons () {
+        $.console.warn('Viewer.buttons is deprecated; Please use Viewer.buttonGroup');
+        return this.buttonGroup;
+    },
+
     /**
      * Open tiled images into the viewer, closing any others.
      * To get the TiledImage instance created by open, add an event listener for