Add the beginnings of TSO follower blessings. Assume that followers are

any living friendly or charmed monsters. Deliberately don't check for evil or unholy status; that should help shake out cases where you can get them. Currently, only do blessings on followers that kill evil monsters 1/3 of the time, instead of gaining power as they normally would.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3923 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on March 28, 2008
XKFXUJ5YV3HQUSBDHADFIH5JFFNBMORLXOUJKWFXV743F5Y2BSSAC
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