Merge pull request #181 from DanielRuf/patch/window-object

explicitely define window.Waves

src/js/waves.js

@@ -14,7 +14,7 @@
     // to root via `this`.
     if (typeof define === 'function' && define.amd) {
         define([], function() {
-            return factory.apply(window);
+            return window.Waves = factory.apply(window);
         });
     }