Added DGL_NAMED_MACRO_FILE option to make life easier for dgamelaunch to keep

user macro files distinct (paxed).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1168 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on April 1, 2007
677XWEUOX2NO2ANPHIRM72UOZVX4ZNHSOYALWL6MUCF65QEAPUBAC
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