probably enable these by default for Mac OS builds as well. They should still default off for general Unix installs because we want server admins to be aware of the denial-of-service possibilities of enabling user scripts.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1308 c06c8d41-db1a-0410-9941-cceddc491573
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