Clean up and consolidate most of the monster pacification routines.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@5885 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on June 16, 2008
CMGEKP57BEOQXLDZJCFDQJ3R47REQOG45GI6OV4AWOZTZ2CH7JPQC
Change contents