More mgrd elimination and moving to coord_def().

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9084 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on February 14, 2009
OTNY2YDUXCJFXDSTHNRKSZ4A5DS5RJMDMJV2Z6TYT2AUODEQIX4QC
Dependencies
In channels
main
Change contents