For Tiles, use some of the other wall types in the Abyss as well to make

it more interesting. The rest is mostly clean-up.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@6307 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on July 1, 2008
TFHMBVXTRA2LXBHE7L7OEWK37JQN5DWZ3HOACMN7PRWVJNCS4TYQC
Dependencies
In channels
main
Change contents