Animated icon.

See if we can speak with the Amazon Servers directly, so no SMTP config
is required. Presumably Amazon will not allow us to conn

Support for multiple devices.

Support sending multiple files in one go.

Integrate into Gnome "Send to" menu.

Put the sending code in a daemon so that simultaneously sent files will 
lead to a single app indicator icon only.

AppIndicator3 no longer seems to require a menu to be added to the indicator:
http://blog.elsdoerfer.name/2011/08/06/ubuntu-app-indicators-when-using-pygobject/
This is something that I remember bothering me.
