Allow Vampire Enchanters and Transmuters.

Tidy up a bit in randart.cc, and remove some of the longer Xom randart names.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4473 c06c8d41-db1a-0410-9941-cceddc491573

Created by  j-p-e-g  on April 22, 2008
X3ZYEJMCHJC27L6YT2NRYB6EN2T3XFRJNUENVHGRPBUKMTVHAGVQC
Change contents