Comment 1 for bug 722520

http://people.canonical.com/~ted/libappindicator/current/AppIndicator.html

The problem is in app_indicator_new() I think. The creation of an AppIndicator seems to require an icon_name.
http://imgur.com/n1X17

I think following this:

    http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html#install_icons

will enable us to use icon names.