[Fedora-packaging] iconcache, v0.5

[Rex Dieter]

FYI, updated iconcache proposal v0.5:
* nixed xdg-utils.
* Updated motivations/justifications,
* gtk2 implementation suggestions/links,

http://fedoraproject.org/wiki/PackagingDrafts/ScriptletSnippets/iconcache

Looks like Core folks won't settle for anything in between status-quo 
and 100% fix (no in-between-compromising like using xdg-utils), so let's 
give it a shot.

This time round, I'll try to put all relavent suggestions, comments, 
dialog on the wiki.  Hopefully, that will help keep those not following 
the intimate details of the ml threads informed.

-- Rex