GTools+ chrome extension allows you to customize the Google+ notification bar and more.
GTools+ is a Chrome browser extension that adds a lot of customization and enhancement options to Google sites, especially Google+. Using this extension you can move the Google chat bar from bottom to top; inside the grey notification bar. You can add text translation service to menus. There are also notification icons for unreal mails and unread news items in Google Reader.
The extension does still have a few bugs but it adds some nice features that should be there in Google+ by default.
Get the chrome extension @ Chrome Extensions