JM: Use GDML2 cvs head.
diff -u -r1.12 -r1.13 --- VERSION 12 Jul 2007 18:34:15 -0000 1.12 +++ VERSION 14 Aug 2007 22:39:42 -0000 1.13 @@ -1 +1 @@
-gdml v2r8p4
+gdml HEAD