Rename show_turns to show_gold_turns, and modify the documentation

accordingly. Also, don't print that "bringing you to a total of …" message if you previously had no gold, and change some ints to unsigned to quiet some compiler warnings.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4361 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on April 19, 2008
WOZSB5NEBGQATZFRE6J65VWODTFQFNW7J5TTC3FA72Y7JZYMTZGQC
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