Last week Google announced an inbox redesign for both the mobile and desktop versions of Gmail, which was implemented on iOS today via an update to the Gmail app. The new design offers a tabbed layout that supports up to five different organizational tabs to allow users to organize mail into specific categories. In addition to adding support for the new inbox, the update also brings enhanced notification options, allowing users to select the type of notifications that they want to receive.New notifications options: Get notified for all messages, only important messages, or none at all, on a per account basis. Customize these settings from the in-app settings page. Meet the new inbox: If you've