ipython/ipython — pull request #2192 by Carreau (2012-07-23 18:14:39+00:00)
Title: [WIP] Introduce Notification Area

Base on the observation at SciPy that "saving notebook" notification can overwrite "kernel Busy".

IMHO, the good way of handeling this is to introduce a "notification area" with several "notification widget"
each "notification widget" can only override the messages it has send and not the one sends by the others.

A side effect is that have multiple message side y side.

Message are `floating:right` so they are