Comment 8 for bug 1090358

Added ubuntu-ux for design input on what should actually happen.

The Window component will, in theory, make this relatively easy [1], but we've just never tried, so not sure what the implications will be. We estimated it for a week of work on the shell side.

Related bug #1089962.

[1] http://qt-project.org/doc/qt-5.0/qtquick/qml-qtquick-window2-window.html