It took quite awhile for the official Gmail app to arrive for our Apple-toting friends, but when it debuted, it lacked many features enjoyed by Android users. Well, today the iOS Gmail app got a refresh that brings it a bit closer to the green bot version. Chiefly, notification support to allow folks to set up banner alerts and lock screen notifications, so they no longer have to check their inbox for new messages. Not only that, the app now has persistent login capability, meaning no more re-entry of your Gmail credentials every time you're preoccup