Stock icons for network devices

[Luca Ferretti <elle uca libero it>]

This email is just a copy of bug #144039

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g-i-t currently lacks icons for network devices. Actually those icons
are needed only by gnome-system-tools and gnome-nettool. Both those
programs don't use g-t-i, but provide icons themselves.

Network devices are 

	1. ppp
	2. ethernet
	3. loopback
	4. plip
	5. wavelan
	6. irda

so the icons to add to g-i-t should be named gnome-dev-* (and placed
under device directory) or stock_device-* (and placed under stock/net)
directory. IMHO the first choice is the proper one.


-----------------------------

Current availability is

ppp:
	generic/stock_landline-phone (16, 24, 32 and 48 px)

ethernet:
	gnome-system-tools/pixmap/[connection-ethernet.png,16_ethernet.xmp]

loopback:
	generic/stock_refresh or media/stock_repeat (24 and 16 px both)

plip:
	g-s-t/pixmaps/[plip-48.png,16_plip.xmp]

wavelan:
	g-s-t/pixmaps/wavelan-[16,48].png

irda:
	g-s-t/pixmaps/irda-[16,48].png (not so gnomish :-()