git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9192 c06c8d41-db1a-0410-9941-cceddc491573
4RNTJHHRSHPEEIH4TR47ESCDZJT4COVY2OSVEWWJHXP7EBJKMFAAC
* Reintroduce chance of orc wizards and priests in orc bands.
* Monsters of the same type will now attempt to surround the player.
* Reintroduce chance of orc wizards and priests in early orc bands.
* Most monsters of the same genus will now attempt to surround the player.