Fixed issue whith gmail and notifications

A lot of issues was reporting that clicking on a notification from gmail was opening an external tab.
Simply disabling addEventListener is working.

resources/js/rambox-service-api.js

@@ -38,6 +38,11 @@ Notification = function(title, options) {
 		ipcRenderer.sendToHost('rambox.showWindowAndActivateTab');
 	});
 	
+	//It seems that gmail is checking if such event handler func are available. Just remplacing them by a void function that is always returning true is making the rights rights!
+	notification.addEventListener = function(a, b) {return true};
+	notification.attachEvent = function(a, b) {return true};
+	notification.addListener = function(a, b) {return true};
+
 	return notification;
 }