Allow Enter/Escape key to work with the Add Entry popup

This is a minor thing ui annoyance, but when working with an “App in Minutes” application, the “Add New Entry” link causes a little input dialog to pop up (Entry name. After typing in the entry name, we have click on the green circular icon to the right of the input box.

It would be really nice if this dialog box could accept pressing “Enter” as the submit and "Escape" to cancel the dialog