travis-ci/travis.rb — pull request #173 by MrZYX (2014-03-31 09:51:42+00:00)
Title: Flag libnotify notifications as transient

This will make them vanish after the expire time.

In Gnome Shell this means they don't clutter the
message tray, but also won't expire if the user is
not active.

https://developer.gnome.org/notification-spec/#hints