desktop-entry-spec: Add an optional Keywords key

[Florian Müllner]

On jue, 2011-12-01 at 13:15 -0500, Michael Terry wrote:
> Just FYI, the same X-GNOME-Keywords key is used by Unity and I believe 
> also GNOME Shell.

The patch for GNOME Shell is still pending, but yeah, that's the
motivation for this request. The hope is that a standardized key is more
likely to be used by application authors than a GNOME extension, so that
our search results can be improved for more than a handful of apps.


Regards,
Florian