Go all the way and also store a randart's name and description in

the props table. No more re-rolling every time we need the name, yay! :D

Should be save file compatible, and I also modified my previous change to be save file compatible, after all. Not entirely sure this works, though, as I didn't have any old saved games to test this with.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4479 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on April 22, 2008
XI7X6SNTHG67D4NQWM75HWB6TVRXVFDPGNSQLTXN6JAZBZIVZXIQC
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