Replace more() after explosions with a 150 ms delay.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@10519 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on August 11, 2009
3CURLT3F4LJRHLM7W7XKU5BHOA54GU2RIQTLZUG2AKR3WOMKUBEQC
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