import from la bonne adresse and first refactoring for ouidade.com

user/themes/ouidade/bower_components/modernizr/feature-detects/battery-level.js

@@ -0,0 +1,11 @@
+
+// Low Battery Level
+// Enable a developer to remove CPU intensive CSS/JS when battery is low
+// developer.mozilla.org/en/DOM/window.navigator.mozBattery
+// By: Paul Sayre
+
+Modernizr.addTest('lowbattery', function () {
+	var minLevel = 0.20,
+		battery = Modernizr.prefixed('battery', navigator);
+	return !!(battery && !battery.charging && battery.level <= minLevel);
+});