Since the touchstone uses objclass oc_color we need

to make that field unconditional, otherwise
NetHack won't compile without TEXTCOLOR defined.

Also provides at least an interim solution for the has_color()
problem that Warwick pointed out.

Lastly, Archeologists know touchstones.

include/patchlevel.h

@@ -13,7 +13,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	1
+#define EDITLEVEL	2
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2002"