Rearrange some tiles, add some alternative tiles into the UNUSED folder.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@10684 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on September 16, 2009
3ES7ILJODLC5SQWDSLJWUKWW6WEXN5DPSWO2SMPHCSBIRGU3HDSAC
Change contents