Comment 4 for bug 432458

Matthew Barnes (Evolution developer) has responded: "We don't draw the icons, we just use the
standard icon theme names. Talk to the gnome-icon-theme folks if you want the
artwork changed, or try a different icon theme -- one that overrides the junk
icons."

So I have created a new bug report: https://bugzilla.gnome.org/show_bug.cgi?id=595671

Recreated the gnome bug, because the first was wron